From 6fdaafda180fe901cd9e292131105ec6d9964ca7 Mon Sep 17 00:00:00 2001
From: wuxianrong <wuxianrong@360.cn>
Date: Thu, 11 Jan 2024 19:37:00 +0800
Subject: [PATCH] Site updated: 2024-01-11 19:37:00

---
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
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 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  10 +-
 .../index.html"                               |  19 +-
 .../index.html"                               | 477 ++++++++++++++++++
 archives/2023/04/index.html                   |   8 +-
 archives/2023/07/index.html                   |   8 +-
 archives/2023/08/index.html                   |   8 +-
 archives/2023/09/index.html                   |   8 +-
 archives/2023/10/index.html                   |   8 +-
 archives/2023/11/index.html                   |   8 +-
 archives/2023/12/index.html                   |   8 +-
 archives/2023/index.html                      |   8 +-
 archives/2023/page/2/index.html               |   8 +-
 archives/2023/page/3/index.html               |   8 +-
 archives/2024/01/index.html                   |  27 +-
 archives/2024/index.html                      |  27 +-
 archives/index.html                           |  46 +-
 archives/page/2/index.html                    |  46 +-
 archives/page/3/index.html                    |  27 +-
 index.html                                    | 116 ++---
 page/2/index.html                             | 116 ++---
 page/3/index.html                             |  63 ++-
 tags/Blog/index.html                          |  46 +-
 tags/Blog/page/2/index.html                   |  46 +-
 tags/Blog/page/3/index.html                   |  27 +-
 47 files changed, 1005 insertions(+), 398 deletions(-)
 create mode 100644 "2024/01/09/Pika\347\232\204\345\205\250\351\207\217\345\220\214\346\255\245/index.html"

diff --git "a/2023/04/20/Pika\344\273\243\347\240\201\347\220\206\350\247\243(\344\270\200)/index.html" "b/2023/04/20/Pika\344\273\243\347\240\201\347\220\206\350\247\243(\344\270\200)/index.html"
index 0f44d10..9a9b8cd 100644
--- "a/2023/04/20/Pika\344\273\243\347\240\201\347\220\206\350\247\243(\344\270\200)/index.html"
+++ "b/2023/04/20/Pika\344\273\243\347\240\201\347\220\206\350\247\243(\344\270\200)/index.html"
@@ -117,7 +117,7 @@ <h1 class="p-name article-title" itemprop="headline name">
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/04/20/Pika%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3(%E4%B8%80)/" data-id="clr64e8zy000fumrfdd8jb59z" data-title="Pika代码理解(一)" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/04/20/Pika%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3(%E4%B8%80)/" data-id="clr94wvug000f4mrfd3tv9tye" data-title="Pika代码理解(一)" class="article-share-link">Share</a>
       
       
       
@@ -187,6 +187,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -203,10 +207,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/04/24/Pika\344\273\243\347\240\201\347\220\206\350\247\243(\344\272\214)/index.html" "b/2023/04/24/Pika\344\273\243\347\240\201\347\220\206\350\247\243(\344\272\214)/index.html"
index 5cde112..06655ee 100644
--- "a/2023/04/24/Pika\344\273\243\347\240\201\347\220\206\350\247\243(\344\272\214)/index.html"
+++ "b/2023/04/24/Pika\344\273\243\347\240\201\347\220\206\350\247\243(\344\272\214)/index.html"
@@ -134,7 +134,7 @@ <h3 id="总结"><a href="#总结" class="headerlink" title="总结"></a>总结</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/04/24/Pika%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3(%E4%BA%8C)/" data-id="clr64e8zy000humrf9jcafgig" data-title="Pika代码理解(二)" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/04/24/Pika%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3(%E4%BA%8C)/" data-id="clr94wvuh000h4mrf1eoq9pp8" data-title="Pika代码理解(二)" class="article-share-link">Share</a>
       
       
       
@@ -209,6 +209,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -225,10 +229,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/07/05/Pika\344\270\273\344\273\216\345\220\214\346\255\245\346\226\271\346\241\210\344\273\243\347\240\201\347\220\206\350\247\243/index.html" "b/2023/07/05/Pika\344\270\273\344\273\216\345\220\214\346\255\245\346\226\271\346\241\210\344\273\243\347\240\201\347\220\206\350\247\243/index.html"
index 64dfdd3..9e163b5 100644
--- "a/2023/07/05/Pika\344\270\273\344\273\216\345\220\214\346\255\245\346\226\271\346\241\210\344\273\243\347\240\201\347\220\206\350\247\243/index.html"
+++ "b/2023/07/05/Pika\344\270\273\344\273\216\345\220\214\346\255\245\346\226\271\346\241\210\344\273\243\347\240\201\347\220\206\350\247\243/index.html"
@@ -144,7 +144,7 @@ <h4 id="src-x2F-storage-x2F-src-x2F-redis-strings-h-35"><a href="#src-x2F-storag
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/05/Pika%E4%B8%BB%E4%BB%8E%E5%90%8C%E6%AD%A5%E6%96%B9%E6%A1%88%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3/" data-id="clr64e8zx000dumrfb9p2byw6" data-title="Pika主从同步方案代码理解" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/05/Pika%E4%B8%BB%E4%BB%8E%E5%90%8C%E6%AD%A5%E6%96%B9%E6%A1%88%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3/" data-id="clr94wvuf000d4mrf3v53eua0" data-title="Pika主从同步方案代码理解" class="article-share-link">Share</a>
       
       
       
@@ -219,6 +219,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -235,10 +239,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/07/05/Pika\345\221\275\344\273\244\345\244\204\347\220\206\346\265\201\347\250\213\346\272\220\347\240\201\345\210\206\346\236\220/index.html" "b/2023/07/05/Pika\345\221\275\344\273\244\345\244\204\347\220\206\346\265\201\347\250\213\346\272\220\347\240\201\345\210\206\346\236\220/index.html"
index 4af7f76..35e0b66 100644
--- "a/2023/07/05/Pika\345\221\275\344\273\244\345\244\204\347\220\206\346\265\201\347\250\213\346\272\220\347\240\201\345\210\206\346\236\220/index.html"
+++ "b/2023/07/05/Pika\345\221\275\344\273\244\345\244\204\347\220\206\346\265\201\347\250\213\346\272\220\347\240\201\345\210\206\346\236\220/index.html"
@@ -148,7 +148,7 @@ <h5 id="src-x2F-pika-command-cc-1"><a href="#src-x2F-pika-command-cc-1" class="h
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/05/Pika%E5%91%BD%E4%BB%A4%E5%A4%84%E7%90%86%E6%B5%81%E7%A8%8B%E6%BA%90%E7%A0%81%E5%88%86%E6%9E%90/" data-id="clr64e900000lumrfepme7a8s" data-title="Pika命令处理流程源码分析" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/05/Pika%E5%91%BD%E4%BB%A4%E5%A4%84%E7%90%86%E6%B5%81%E7%A8%8B%E6%BA%90%E7%A0%81%E5%88%86%E6%9E%90/" data-id="clr94wvui000l4mrfacnb6sen" data-title="Pika命令处理流程源码分析" class="article-share-link">Share</a>
       
       
       
@@ -223,6 +223,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -239,10 +243,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/07/06/Pika\345\221\275\344\273\244\350\200\227\346\227\266\347\273\237\350\256\241\345\212\237\350\203\275\346\212\200\346\234\257\346\226\207\346\241\243/index.html" "b/2023/07/06/Pika\345\221\275\344\273\244\350\200\227\346\227\266\347\273\237\350\256\241\345\212\237\350\203\275\346\212\200\346\234\257\346\226\207\346\241\243/index.html"
index 60aafdf..77c1964 100644
--- "a/2023/07/06/Pika\345\221\275\344\273\244\350\200\227\346\227\266\347\273\237\350\256\241\345\212\237\350\203\275\346\212\200\346\234\257\346\226\207\346\241\243/index.html"
+++ "b/2023/07/06/Pika\345\221\275\344\273\244\350\200\227\346\227\266\347\273\237\350\256\241\345\212\237\350\203\275\346\212\200\346\234\257\346\226\207\346\241\243/index.html"
@@ -121,7 +121,7 @@ <h4 id="实现情况"><a href="#实现情况" class="headerlink" title="实现
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/06/Pika%E5%91%BD%E4%BB%A4%E8%80%97%E6%97%B6%E7%BB%9F%E8%AE%A1%E5%8A%9F%E8%83%BD%E6%8A%80%E6%9C%AF%E6%96%87%E6%A1%A3/" data-id="clr64e901000numrfa0jmed9f" data-title="Pika命令耗时统计功能技术文档" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/06/Pika%E5%91%BD%E4%BB%A4%E8%80%97%E6%97%B6%E7%BB%9F%E8%AE%A1%E5%8A%9F%E8%83%BD%E6%8A%80%E6%9C%AF%E6%96%87%E6%A1%A3/" data-id="clr94wvui000n4mrf7khuglpj" data-title="Pika命令耗时统计功能技术文档" class="article-share-link">Share</a>
       
       
       
@@ -196,6 +196,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -212,10 +216,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/07/11/Blackwidow\351\207\215\346\236\204\345\233\276/index.html" "b/2023/07/11/Blackwidow\351\207\215\346\236\204\345\233\276/index.html"
index 9bd1a1f..b522b23 100644
--- "a/2023/07/11/Blackwidow\351\207\215\346\236\204\345\233\276/index.html"
+++ "b/2023/07/11/Blackwidow\351\207\215\346\236\204\345\233\276/index.html"
@@ -227,7 +227,7 @@ <h2 id="5-ZSet结构的存储"><a href="#5-ZSet结构的存储" class="headerlin
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" data-id="clr64e8zj0000umrfaw4d33xj" data-title="Blackwidow代码解析" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" data-id="clr94wvu000004mrfd4tm36zd" data-title="Blackwidow代码解析" class="article-share-link">Share</a>
       
       
       
@@ -302,6 +302,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -318,10 +322,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/07/12/pika_exporter\346\234\254\345\234\260\345\220\257\345\212\250\350\277\207\347\250\213\346\226\207\346\241\243/index.html" "b/2023/07/12/pika_exporter\346\234\254\345\234\260\345\220\257\345\212\250\350\277\207\347\250\213\346\226\207\346\241\243/index.html"
index 88ec1d3..377ab52 100644
--- "a/2023/07/12/pika_exporter\346\234\254\345\234\260\345\220\257\345\212\250\350\277\207\347\250\213\346\226\207\346\241\243/index.html"
+++ "b/2023/07/12/pika_exporter\346\234\254\345\234\260\345\220\257\345\212\250\350\277\207\347\250\213\346\226\207\346\241\243/index.html"
@@ -192,7 +192,7 @@ <h3 id="查看Metrics抓取数据"><a href="#查看Metrics抓取数据" class="h
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/12/pika_exporter%E6%9C%AC%E5%9C%B0%E5%90%AF%E5%8A%A8%E8%BF%87%E7%A8%8B%E6%96%87%E6%A1%A3/" data-id="clr64e9060017umrfc5chcy8m" data-title="Pika_exporter本地启动文档" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/12/pika_exporter%E6%9C%AC%E5%9C%B0%E5%90%AF%E5%8A%A8%E8%BF%87%E7%A8%8B%E6%96%87%E6%A1%A3/" data-id="clr94wvuo00194mrf61l8696d" data-title="Pika_exporter本地启动文档" class="article-share-link">Share</a>
       
       
       
@@ -267,6 +267,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -283,10 +287,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/08/02/Pika\347\243\201\347\233\230\345\256\271\351\207\217\346\273\241\346\201\242\345\244\215\346\226\271\346\241\210/index.html" "b/2023/08/02/Pika\347\243\201\347\233\230\345\256\271\351\207\217\346\273\241\346\201\242\345\244\215\346\226\271\346\241\210/index.html"
index 4560ed3..537e9b1 100644
--- "a/2023/08/02/Pika\347\243\201\347\233\230\345\256\271\351\207\217\346\273\241\346\201\242\345\244\215\346\226\271\346\241\210/index.html"
+++ "b/2023/08/02/Pika\347\243\201\347\233\230\345\256\271\351\207\217\346\273\241\346\201\242\345\244\215\346\226\271\346\241\210/index.html"
@@ -163,7 +163,7 @@ <h2 id="复现方式"><a href="#复现方式" class="headerlink" title="复现
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/02/Pika%E7%A3%81%E7%9B%98%E5%AE%B9%E9%87%8F%E6%BB%A1%E6%81%A2%E5%A4%8D%E6%96%B9%E6%A1%88/" data-id="clr64e9060015umrfede44qcy" data-title="Pika磁盘容量满恢复方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/02/Pika%E7%A3%81%E7%9B%98%E5%AE%B9%E9%87%8F%E6%BB%A1%E6%81%A2%E5%A4%8D%E6%96%B9%E6%A1%88/" data-id="clr94wvuo00174mrf77r58tez" data-title="Pika磁盘容量满恢复方案" class="article-share-link">Share</a>
       
       
       
@@ -238,6 +238,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -254,10 +258,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/08/06/Pika\346\224\257\346\214\201Zset\351\231\220\351\225\277\346\226\271\346\241\210/index.html" "b/2023/08/06/Pika\346\224\257\346\214\201Zset\351\231\220\351\225\277\346\226\271\346\241\210/index.html"
index 85df0d1..bf41295 100644
--- "a/2023/08/06/Pika\346\224\257\346\214\201Zset\351\231\220\351\225\277\346\226\271\346\241\210/index.html"
+++ "b/2023/08/06/Pika\346\224\257\346\214\201Zset\351\231\220\351\225\277\346\226\271\346\241\210/index.html"
@@ -154,7 +154,7 @@ <h2 id="总结"><a href="#总结" class="headerlink" title="总结"></a>总结</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/06/Pika%E6%94%AF%E6%8C%81Zset%E9%99%90%E9%95%BF%E6%96%B9%E6%A1%88/" data-id="clr64e903000vumrfer6r9bs7" data-title="Pika支持Zset限长方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/06/Pika%E6%94%AF%E6%8C%81Zset%E9%99%90%E9%95%BF%E6%96%B9%E6%A1%88/" data-id="clr94wvul000v4mrf531tdihl" data-title="Pika支持Zset限长方案" class="article-share-link">Share</a>
       
       
       
@@ -229,6 +229,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -245,10 +249,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/08/06/Pika\347\232\204Zset\350\214\203\345\233\264\345\210\240\351\231\244\346\200\247\350\203\275\344\274\230\345\214\226\346\226\271\346\241\210/index.html" "b/2023/08/06/Pika\347\232\204Zset\350\214\203\345\233\264\345\210\240\351\231\244\346\200\247\350\203\275\344\274\230\345\214\226\346\226\271\346\241\210/index.html"
index c02c74c..c09f35a 100644
--- "a/2023/08/06/Pika\347\232\204Zset\350\214\203\345\233\264\345\210\240\351\231\244\346\200\247\350\203\275\344\274\230\345\214\226\346\226\271\346\241\210/index.html"
+++ "b/2023/08/06/Pika\347\232\204Zset\350\214\203\345\233\264\345\210\240\351\231\244\346\200\247\350\203\275\344\274\230\345\214\226\346\226\271\346\241\210/index.html"
@@ -130,7 +130,7 @@ <h3 id="解决方案"><a href="#解决方案" class="headerlink" title="解决
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/06/Pika%E7%9A%84Zset%E8%8C%83%E5%9B%B4%E5%88%A0%E9%99%A4%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E6%96%B9%E6%A1%88/" data-id="clr64e9050011umrfb00q25a3" data-title="Pika的Zset范围删除性能优化方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/06/Pika%E7%9A%84Zset%E8%8C%83%E5%9B%B4%E5%88%A0%E9%99%A4%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E6%96%B9%E6%A1%88/" data-id="clr94wvum00114mrfeccabwao" data-title="Pika的Zset范围删除性能优化方案" class="article-share-link">Share</a>
       
       
       
@@ -205,6 +205,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -221,10 +225,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/08/15/\351\203\250\347\275\262Kubernetes\351\233\206\347\276\244/index.html" "b/2023/08/15/\351\203\250\347\275\262Kubernetes\351\233\206\347\276\244/index.html"
index 4cb5250..c8ee026 100644
--- "a/2023/08/15/\351\203\250\347\275\262Kubernetes\351\233\206\347\276\244/index.html"
+++ "b/2023/08/15/\351\203\250\347\275\262Kubernetes\351\233\206\347\276\244/index.html"
@@ -249,7 +249,7 @@ <h3 id="3-7-检验集群是否搭建成功"><a href="#3-7-检验集群是否搭
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/15/%E9%83%A8%E7%BD%B2Kubernetes%E9%9B%86%E7%BE%A4/" data-id="clr64e9070019umrf936c2iq8" data-title="部署Kubernetes集群" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/15/%E9%83%A8%E7%BD%B2Kubernetes%E9%9B%86%E7%BE%A4/" data-id="clr94wvup001b4mrfh9qm18za" data-title="部署Kubernetes集群" class="article-share-link">Share</a>
       
       
       
@@ -324,6 +324,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -340,10 +344,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/08/18/Macos \346\234\254\345\234\260\344\275\277\347\224\250 pika_operator/index.html" "b/2023/08/18/Macos \346\234\254\345\234\260\344\275\277\347\224\250 pika_operator/index.html"
index 604add6..858aa39 100644
--- "a/2023/08/18/Macos \346\234\254\345\234\260\344\275\277\347\224\250 pika_operator/index.html"	
+++ "b/2023/08/18/Macos \346\234\254\345\234\260\344\275\277\347\224\250 pika_operator/index.html"	
@@ -159,7 +159,7 @@ <h2 id="环境准备"><a href="#环境准备" class="headerlink" title="环境
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/18/Macos%20%E6%9C%AC%E5%9C%B0%E4%BD%BF%E7%94%A8%20pika_operator/" data-id="clr64e8zv0008umrf2rc8bitw" data-title="Macos本地使用pika_operator" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/18/Macos%20%E6%9C%AC%E5%9C%B0%E4%BD%BF%E7%94%A8%20pika_operator/" data-id="clr94wvud00084mrf18th4p1f" data-title="Macos本地使用pika_operator" class="article-share-link">Share</a>
       
       
       
@@ -234,6 +234,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -250,10 +254,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/08/30/Codis sentinel \345\215\207\347\272\247\346\226\271\346\241\210/index.html" "b/2023/08/30/Codis sentinel \345\215\207\347\272\247\346\226\271\346\241\210/index.html"
index 69a0dfa..fb889a2 100644
--- "a/2023/08/30/Codis sentinel \345\215\207\347\272\247\346\226\271\346\241\210/index.html"	
+++ "b/2023/08/30/Codis sentinel \345\215\207\347\272\247\346\226\271\346\241\210/index.html"	
@@ -125,7 +125,7 @@ <h2 id="问题"><a href="#问题" class="headerlink" title="问题"></a>问题</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/30/Codis%20sentinel%20%E5%8D%87%E7%BA%A7%E6%96%B9%E6%A1%88/" data-id="clr64e8zr0003umrf9i5of48r" data-title="Codis sentinel升级方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/30/Codis%20sentinel%20%E5%8D%87%E7%BA%A7%E6%96%B9%E6%A1%88/" data-id="clr94wvu700014mrf0f9h469u" data-title="Codis sentinel升级方案" class="article-share-link">Share</a>
       
       
       
@@ -200,6 +200,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -216,10 +220,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/08/31/Pika ReplicationID \346\226\271\346\241\210/index.html" "b/2023/08/31/Pika ReplicationID \346\226\271\346\241\210/index.html"
index 8363f56..ed1bf72 100644
--- "a/2023/08/31/Pika ReplicationID \346\226\271\346\241\210/index.html"	
+++ "b/2023/08/31/Pika ReplicationID \346\226\271\346\241\210/index.html"	
@@ -147,7 +147,7 @@ <h2 id="异常情况"><a href="#异常情况" class="headerlink" title="异常
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/31/Pika%20ReplicationID%20%E6%96%B9%E6%A1%88/" data-id="clr64e8zv000aumrff0627209" data-title="Pika ReplicationID 方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/31/Pika%20ReplicationID%20%E6%96%B9%E6%A1%88/" data-id="clr94wvue000a4mrfdnm5eai2" data-title="Pika ReplicationID 方案" class="article-share-link">Share</a>
       
       
       
@@ -222,6 +222,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -238,10 +242,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/09/25/Pika\345\212\250\346\200\201\345\205\263\351\227\255WAL\346\226\271\346\241\210/index.html" "b/2023/09/25/Pika\345\212\250\346\200\201\345\205\263\351\227\255WAL\346\226\271\346\241\210/index.html"
index a6334b6..fdc2d42 100644
--- "a/2023/09/25/Pika\345\212\250\346\200\201\345\205\263\351\227\255WAL\346\226\271\346\241\210/index.html"
+++ "b/2023/09/25/Pika\345\212\250\346\200\201\345\205\263\351\227\255WAL\346\226\271\346\241\210/index.html"
@@ -120,7 +120,7 @@ <h2 id="结论"><a href="#结论" class="headerlink" title="结论"></a>结论</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/09/25/Pika%E5%8A%A8%E6%80%81%E5%85%B3%E9%97%ADWAL%E6%96%B9%E6%A1%88/" data-id="clr64e8zz000jumrff72zfgo1" data-title="Pika动态关闭WAL方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/09/25/Pika%E5%8A%A8%E6%80%81%E5%85%B3%E9%97%ADWAL%E6%96%B9%E6%A1%88/" data-id="clr94wvuh000j4mrf76l9bf8s" data-title="Pika动态关闭WAL方案" class="article-share-link">Share</a>
       
       
       
@@ -195,6 +195,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -211,10 +215,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/10/10/Pika\347\232\204slot\350\277\201\347\247\273\345\255\246\344\271\240/index.html" "b/2023/10/10/Pika\347\232\204slot\350\277\201\347\247\273\345\255\246\344\271\240/index.html"
index ac7a393..50c5068 100644
--- "a/2023/10/10/Pika\347\232\204slot\350\277\201\347\247\273\345\255\246\344\271\240/index.html"
+++ "b/2023/10/10/Pika\347\232\204slot\350\277\201\347\247\273\345\255\246\344\271\240/index.html"
@@ -291,7 +291,7 @@ <h4 id="Slot-迁移"><a href="#Slot-迁移" class="headerlink" title="Slot 迁
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" data-id="clr64e9050013umrf6ywuagpk" data-title="Pika的slot数据迁移学习" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" data-id="clr94wvun00134mrf4sld5w8p" data-title="Pika的slot数据迁移学习" class="article-share-link">Share</a>
       
       
       
@@ -366,6 +366,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -382,10 +386,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/10/26/Pika\347\232\204Cache\346\226\271\346\241\210/index.html" "b/2023/10/26/Pika\347\232\204Cache\346\226\271\346\241\210/index.html"
index 900c376..cd3c905 100644
--- "a/2023/10/26/Pika\347\232\204Cache\346\226\271\346\241\210/index.html"
+++ "b/2023/10/26/Pika\347\232\204Cache\346\226\271\346\241\210/index.html"
@@ -156,7 +156,7 @@ <h1 id="问题"><a href="#问题" class="headerlink" title="问题"></a>问题</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/10/26/Pika%E7%9A%84Cache%E6%96%B9%E6%A1%88/" data-id="clr64e904000zumrf10a30oko" data-title="Pika的Cache方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/10/26/Pika%E7%9A%84Cache%E6%96%B9%E6%A1%88/" data-id="clr94wvum000z4mrf4ffocomk" data-title="Pika的Cache方案" class="article-share-link">Share</a>
       
       
       
@@ -231,6 +231,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -247,10 +251,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/10/30/Pika\347\232\204CacheStatus\346\226\271\346\241\210/index.html" "b/2023/10/30/Pika\347\232\204CacheStatus\346\226\271\346\241\210/index.html"
index 0784830..dccaf5e 100644
--- "a/2023/10/30/Pika\347\232\204CacheStatus\346\226\271\346\241\210/index.html"
+++ "b/2023/10/30/Pika\347\232\204CacheStatus\346\226\271\346\241\210/index.html"
@@ -213,7 +213,7 @@ <h2 id="问题"><a href="#问题" class="headerlink" title="问题"></a>问题</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/10/30/Pika%E7%9A%84CacheStatus%E6%96%B9%E6%A1%88/" data-id="clr64e904000xumrffh05800e" data-title="Pika的CacheStatus方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/10/30/Pika%E7%9A%84CacheStatus%E6%96%B9%E6%A1%88/" data-id="clr94wvul000x4mrf2bfq0hns" data-title="Pika的CacheStatus方案" class="article-share-link">Share</a>
       
       
       
@@ -288,6 +288,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -304,10 +308,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/11/21/Pika\345\234\250K8s\344\270\212\347\232\204\346\211\251\345\256\271/index.html" "b/2023/11/21/Pika\345\234\250K8s\344\270\212\347\232\204\346\211\251\345\256\271/index.html"
index 949064c..885ca5b 100644
--- "a/2023/11/21/Pika\345\234\250K8s\344\270\212\347\232\204\346\211\251\345\256\271/index.html"
+++ "b/2023/11/21/Pika\345\234\250K8s\344\270\212\347\232\204\346\211\251\345\256\271/index.html"
@@ -128,7 +128,7 @@ <h1 class="p-name article-title" itemprop="headline name">
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/11/21/Pika%E5%9C%A8K8s%E4%B8%8A%E7%9A%84%E6%89%A9%E5%AE%B9/" data-id="clr64e901000pumrf6739heaf" data-title="Pika在K8s上的扩容" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/11/21/Pika%E5%9C%A8K8s%E4%B8%8A%E7%9A%84%E6%89%A9%E5%AE%B9/" data-id="clr94wvuj000p4mrfgkaodb66" data-title="Pika在K8s上的扩容" class="article-share-link">Share</a>
       
       
       
@@ -203,6 +203,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -219,10 +223,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/11/24/Pika\345\234\250Kubeblocks\344\270\212\351\203\250\347\275\262\346\212\200\346\234\257\347\273\206\350\212\202/index.html" "b/2023/11/24/Pika\345\234\250Kubeblocks\344\270\212\351\203\250\347\275\262\346\212\200\346\234\257\347\273\206\350\212\202/index.html"
index ad42d27..624928e 100644
--- "a/2023/11/24/Pika\345\234\250Kubeblocks\344\270\212\351\203\250\347\275\262\346\212\200\346\234\257\347\273\206\350\212\202/index.html"
+++ "b/2023/11/24/Pika\345\234\250Kubeblocks\344\270\212\351\203\250\347\275\262\346\212\200\346\234\257\347\273\206\350\212\202/index.html"
@@ -137,7 +137,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/11/24/Pika%E5%9C%A8Kubeblocks%E4%B8%8A%E9%83%A8%E7%BD%B2%E6%8A%80%E6%9C%AF%E7%BB%86%E8%8A%82/" data-id="clr64e902000rumrf2bnr11xa" data-title="Pika在Kubeblocks上部署细节" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/11/24/Pika%E5%9C%A8Kubeblocks%E4%B8%8A%E9%83%A8%E7%BD%B2%E6%8A%80%E6%9C%AF%E7%BB%86%E8%8A%82/" data-id="clr94wvuk000r4mrfaxse1o9i" data-title="Pika在Kubeblocks上部署细节" class="article-share-link">Share</a>
       
       
       
@@ -212,6 +212,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -228,10 +232,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/11/27/Floyd\350\256\276\350\256\241\346\226\271\346\241\210\350\247\243\346\236\220/index.html" "b/2023/11/27/Floyd\350\256\276\350\256\241\346\226\271\346\241\210\350\247\243\346\236\220/index.html"
index 4bad63e..8976e14 100644
--- "a/2023/11/27/Floyd\350\256\276\350\256\241\346\226\271\346\241\210\350\247\243\346\236\220/index.html"
+++ "b/2023/11/27/Floyd\350\256\276\350\256\241\346\226\271\346\241\210\350\247\243\346\236\220/index.html"
@@ -178,7 +178,7 @@ <h1 id="总结"><a href="#总结" class="headerlink" title="总结"></a>总结</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/" data-id="clr64e8zt0005umrfenkpeizo" data-title="Pika的Floyd设计方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/" data-id="clr94wvub00044mrf5d7y5ufd" data-title="Pika的Floyd设计方案" class="article-share-link">Share</a>
       
       
       
@@ -253,6 +253,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -269,10 +273,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/11/30/Floyd\345\244\232key\345\221\275\344\273\244\345\234\250\345\271\266\345\217\221\345\234\272\346\231\257\344\270\213\350\247\243\345\206\263\345\212\236\346\263\225/index.html" "b/2023/11/30/Floyd\345\244\232key\345\221\275\344\273\244\345\234\250\345\271\266\345\217\221\345\234\272\346\231\257\344\270\213\350\247\243\345\206\263\345\212\236\346\263\225/index.html"
index 3aea60f..f830080 100644
--- "a/2023/11/30/Floyd\345\244\232key\345\221\275\344\273\244\345\234\250\345\271\266\345\217\221\345\234\272\346\231\257\344\270\213\350\247\243\345\206\263\345\212\236\346\263\225/index.html"
+++ "b/2023/11/30/Floyd\345\244\232key\345\221\275\344\273\244\345\234\250\345\271\266\345\217\221\345\234\272\346\231\257\344\270\213\350\247\243\345\206\263\345\212\236\346\263\225/index.html"
@@ -111,7 +111,7 @@ <h1 id="方案"><a href="#方案" class="headerlink" title="方案"></a>方案</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/" data-id="clr64e8zo0001umrfhbvwdoh8" data-title="Floyd的多key命令在并发场景下的解决方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/" data-id="clr94wvua00034mrfespu3p8a" data-title="Floyd的多key命令在并发场景下的解决方案" class="article-share-link">Share</a>
       
       
       
@@ -186,6 +186,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -202,10 +206,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/12/04/Pika\345\277\253\346\205\242\345\221\275\344\273\244\345\210\206\347\246\273\346\226\271\346\241\210/index.html" "b/2023/12/04/Pika\345\277\253\346\205\242\345\221\275\344\273\244\345\210\206\347\246\273\346\226\271\346\241\210/index.html"
index 776aa60..42c3c1c 100644
--- "a/2023/12/04/Pika\345\277\253\346\205\242\345\221\275\344\273\244\345\210\206\347\246\273\346\226\271\346\241\210/index.html"
+++ "b/2023/12/04/Pika\345\277\253\346\205\242\345\221\275\344\273\244\345\210\206\347\246\273\346\226\271\346\241\210/index.html"
@@ -143,7 +143,7 @@ <h1 id="设计方案"><a href="#设计方案" class="headerlink" title="设计
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/12/04/Pika%E5%BF%AB%E6%85%A2%E5%91%BD%E4%BB%A4%E5%88%86%E7%A6%BB%E6%96%B9%E6%A1%88/" data-id="clr64e902000tumrfedsy3k4z" data-title="Pika快慢命令分离方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/12/04/Pika%E5%BF%AB%E6%85%A2%E5%91%BD%E4%BB%A4%E5%88%86%E7%A6%BB%E6%96%B9%E6%A1%88/" data-id="clr94wvuk000t4mrf3qj47cjw" data-title="Pika快慢命令分离方案" class="article-share-link">Share</a>
       
       
       
@@ -218,6 +218,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -234,10 +238,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2023/12/05/Floyd\346\227\240\346\225\210\346\225\260\346\215\256\346\270\205\347\220\206\346\226\271\346\241\210/index.html" "b/2023/12/05/Floyd\346\227\240\346\225\210\346\225\260\346\215\256\346\270\205\347\220\206\346\226\271\346\241\210/index.html"
index 3464804..86e26f2 100644
--- "a/2023/12/05/Floyd\346\227\240\346\225\210\346\225\260\346\215\256\346\270\205\347\220\206\346\226\271\346\241\210/index.html"
+++ "b/2023/12/05/Floyd\346\227\240\346\225\210\346\225\260\346\215\256\346\270\205\347\220\206\346\226\271\346\241\210/index.html"
@@ -133,7 +133,7 @@ <h1 id="方案"><a href="#方案" class="headerlink" title="方案"></a>方案</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/12/05/Floyd%E6%97%A0%E6%95%88%E6%95%B0%E6%8D%AE%E6%B8%85%E7%90%86%E6%96%B9%E6%A1%88/" data-id="clr64e8zs0004umrf4tu19wy4" data-title="Floyd无效数据清理方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/12/05/Floyd%E6%97%A0%E6%95%88%E6%95%B0%E6%8D%AE%E6%B8%85%E7%90%86%E6%96%B9%E6%A1%88/" data-id="clr94wvuc00054mrf69qu31e4" data-title="Floyd无效数据清理方案" class="article-share-link">Share</a>
       
       
       
@@ -208,6 +208,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -224,10 +228,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2024/01/04/Pika\347\232\204\345\242\236\351\207\217\345\220\214\346\255\245/index.html" "b/2024/01/04/Pika\347\232\204\345\242\236\351\207\217\345\220\214\346\255\245/index.html"
index 7411605..c9591b7 100644
--- "a/2024/01/04/Pika\347\232\204\345\242\236\351\207\217\345\220\214\346\255\245/index.html"
+++ "b/2024/01/04/Pika\347\232\204\345\242\236\351\207\217\345\220\214\346\255\245/index.html"
@@ -432,7 +432,7 @@ <h3 id="总结-2"><a href="#总结-2" class="headerlink" title="总结"></a>总
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/" data-id="clr64e90b001fumrf0tdtda21" data-title="Pika的增量同步" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/" data-id="clr94wvup001d4mrfexb28gei" data-title="Pika的增量同步" class="article-share-link">Share</a>
       
       
       
@@ -444,6 +444,15 @@ <h3 id="总结-2"><a href="#总结-2" class="headerlink" title="总结"></a>总
     
 <nav id="article-nav">
   
+    <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/" id="article-nav-newer" class="article-nav-link-wrap">
+      <strong class="article-nav-caption">Newer</strong>
+      <div class="article-nav-title">
+        
+          Pika的增量同步
+        
+      </div>
+    </a>
+  
   
     <a href="/2023/12/05/Floyd%E6%97%A0%E6%95%88%E6%95%B0%E6%8D%AE%E6%B8%85%E7%90%86%E6%96%B9%E6%A1%88/" id="article-nav-older" class="article-nav-link-wrap">
       <strong class="article-nav-caption">Older</strong>
@@ -498,6 +507,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -514,10 +527,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git "a/2024/01/09/Pika\347\232\204\345\205\250\351\207\217\345\220\214\346\255\245/index.html" "b/2024/01/09/Pika\347\232\204\345\205\250\351\207\217\345\220\214\346\255\245/index.html"
new file mode 100644
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@@ -0,0 +1,477 @@
+<!DOCTYPE html>
+<html>
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+  <meta charset="utf-8">
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+  <title>Pika的增量同步 | Hexo</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
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+<meta property="og:site_name" content="Hexo">
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+<link rel="stylesheet" href="/css/style.css">
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+        <section id="main"><article id="post-Pika的全量同步" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
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+    <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/" class="article-date">
+  <time class="dt-published" datetime="2024-01-09T09:03:43.333Z" itemprop="datePublished">2024-01-09</time>
+</a>
+    
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+  <div class="article-inner">
+    
+    
+      <header class="article-header">
+        
+  
+    <h1 class="p-name article-title" itemprop="headline name">
+      Pika的增量同步
+    </h1>
+  
+
+      </header>
+    
+    <div class="e-content article-entry" itemprop="articleBody">
+      
+        <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</h1><p>本篇介绍一下 Pika 的全量同步<span id="more"></span>，在讲解代码之前我先介绍一下主从同步中的几种状态</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">// role 角色</span></span><br><span class="line">PIKA_ROLE_SINGLE = <span class="number">0</span> (初始节点)</span><br><span class="line">PIKA_ROLE_SLAVE = <span class="number">1</span> (从节点)</span><br><span class="line">PIKA_ROLE_MASTER = <span class="number">2</span> (主节点)</span><br><span class="line">  </span><br><span class="line"><span class="comment">// repl_state_</span></span><br><span class="line">PIKA_REPL_NO_CONNECT = <span class="number">0</span> (未连接状态)</span><br><span class="line">PIKA_REPL_SHOULD_META_SYNC = <span class="number">1</span> (Meta_Sync状态)</span><br><span class="line">PIKA_REPL_META_SYNC_DONE = <span class="number">2</span> (Meta_Sync_Done状态)</span><br><span class="line">PIKA_REPL_ERROR = <span class="number">3</span> (Error状态)</span><br><span class="line">  </span><br><span class="line"><span class="keyword">enum</span> ReplState &#123;</span><br><span class="line">  kNoConnect = <span class="number">0</span>,</span><br><span class="line">  kTryConnect = <span class="number">1</span>,</span><br><span class="line">  kTryDBSync = <span class="number">2</span>,</span><br><span class="line">  kWaitDBSync = <span class="number">3</span>,</span><br><span class="line">  kWaitReply = <span class="number">4</span>,</span><br><span class="line">  kConnected = <span class="number">5</span>,</span><br><span class="line">  kError = <span class="number">6</span>,</span><br><span class="line">  kDBNoConnect = <span class="number">7</span> </span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<h2 id="从命令开始"><a href="#从命令开始" class="headerlink" title="从命令开始"></a>从命令开始</h2><p><strong>src&#x2F;pika_admin.cc</strong></p>
+<p>我们调用 <code>slaveof ip port</code> 进行主从的全量同步，首先会移除当前节点的主节点，调用 <code>RemoveMaster</code>  ，然后调用 <code>SetMaster</code> 设置新的 <code>Master</code> 节点. <code>CloseReplClientConn</code> 和 <code>LostConnection</code> 分别断开<code>PikaReplClient</code> 连接和 <code>RsyncClient</code> 连接，最后调用 <code>DoSameThingEvertSlot</code> 将所有的 slot 的状态置为 <code>kNoConnect</code></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">SlaveofCmd::Do</span><span class="params">(std::shared_ptr&lt;Slot&gt; slot)</span> </span>&#123;</span><br><span class="line">  <span class="comment">// Check if we are already connected to the specified master</span></span><br><span class="line">  <span class="keyword">if</span> ((master_ip_ == <span class="string">&quot;127.0.0.1&quot;</span> || g_pika_server-&gt;<span class="built_in">master_ip</span>() == master_ip_) &amp;&amp;</span><br><span class="line">      g_pika_server-&gt;<span class="built_in">master_port</span>() == master_port_) &#123;</span><br><span class="line">    res_.<span class="built_in">SetRes</span>(CmdRes::kOk);</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  g_pika_server-&gt;<span class="built_in">RemoveMaster</span>();</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (is_none_) &#123;</span><br><span class="line">    res_.<span class="built_in">SetRes</span>(CmdRes::kOk);</span><br><span class="line">    g_pika_conf-&gt;<span class="built_in">SetSlaveof</span>(std::<span class="built_in">string</span>());</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="comment">/* The return value of the slaveof command OK does not really represent whether</span></span><br><span class="line"><span class="comment">   * the data synchronization was successful, but only changes the status of the</span></span><br><span class="line"><span class="comment">   * slaveof executor to slave */</span></span><br><span class="line"></span><br><span class="line">  <span class="type">bool</span> sm_ret = g_pika_server-&gt;<span class="built_in">SetMaster</span>(master_ip_, <span class="built_in">static_cast</span>&lt;<span class="type">int32_t</span>&gt;(master_port_));</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (sm_ret) &#123;</span><br><span class="line">    res_.<span class="built_in">SetRes</span>(CmdRes::kOk);</span><br><span class="line">    g_pika_server-&gt;<span class="built_in">ClearCacheDbAsync</span>(slot);</span><br><span class="line">    g_pika_conf-&gt;<span class="built_in">SetSlaveof</span>(master_ip_ + <span class="string">&quot;:&quot;</span> + std::<span class="built_in">to_string</span>(master_port_));</span><br><span class="line">    g_pika_conf-&gt;<span class="built_in">SetMasterRunID</span>(<span class="string">&quot;&quot;</span>);</span><br><span class="line">    g_pika_server-&gt;<span class="built_in">SetFirstMetaSync</span>(<span class="literal">true</span>);</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    res_.<span class="built_in">SetRes</span>(CmdRes::kErrOther, <span class="string">&quot;Server is not in correct state for slaveof&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_server.cc</strong></p>
+<p>在这里将 <code>master_ip</code> , <code>master_port</code> 都进行了初始化，将 <code>repl_state</code> 状态置为 <code>PIKA_REPL_NO_CONNECT</code></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaServer::RemoveMaster</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  &#123;</span><br><span class="line">    <span class="function">std::lock_guard <span class="title">l</span><span class="params">(state_protector_)</span></span>;</span><br><span class="line">    repl_state_ = PIKA_REPL_NO_CONNECT;</span><br><span class="line">    role_ &amp;= ~PIKA_ROLE_SLAVE;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (!master_ip_.<span class="built_in">empty</span>() &amp;&amp; master_port_ != <span class="number">-1</span>) &#123;</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">CloseReplClientConn</span>(master_ip_, master_port_ + kPortShiftReplServer);</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">LostConnection</span>(master_ip_, master_port_);</span><br><span class="line">      loop_slot_state_machine_ = <span class="literal">false</span>;</span><br><span class="line">      <span class="built_in">UpdateMetaSyncTimestampWithoutLock</span>();</span><br><span class="line">      <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Remove Master Success, ip_port: &quot;</span> &lt;&lt; master_ip_ &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; master_port_;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    master_ip_ = <span class="string">&quot;&quot;</span>;</span><br><span class="line">    master_port_ = <span class="number">-1</span>;</span><br><span class="line">    <span class="built_in">DoSameThingEverySlot</span>(TaskType::kResetReplState);</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_admin.cc</strong></p>
+<p>这里将 <code>repl_state_</code> 设置为 <code>PIKA_REPL_SHOULD_META_SYNC</code> 标识</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">bool</span> <span class="title">PikaServer::SetMaster</span><span class="params">(std::string&amp; master_ip, <span class="type">int</span> master_port)</span> </span>&#123;</span><br><span class="line">  <span class="keyword">if</span> (master_ip == <span class="string">&quot;127.0.0.1&quot;</span>) &#123;</span><br><span class="line">    master_ip = host_;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="function">std::lock_guard <span class="title">l</span><span class="params">(state_protector_)</span></span>;</span><br><span class="line">  <span class="keyword">if</span> (((role_ ^ PIKA_ROLE_SLAVE) != <span class="number">0</span>) &amp;&amp; repl_state_ == PIKA_REPL_NO_CONNECT) &#123;</span><br><span class="line">    master_ip_ = master_ip;</span><br><span class="line">    master_port_ = master_port;</span><br><span class="line">    role_ |= PIKA_ROLE_SLAVE;</span><br><span class="line">    repl_state_ = PIKA_REPL_SHOULD_META_SYNC;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<h2 id="FAQ"><a href="#FAQ" class="headerlink" title="FAQ"></a>FAQ</h2><ul>
+<li><p><code>PikaReplClient</code> 连接和 <code>RsyncClient</code> 连接有什么区别</p>
+</li>
+<li><p><code>CloseReplClientConn</code> 和 <code>LostConnection</code> 分别断开的是哪两个连接</p>
+</li>
+<li><p>一个已经有从节点的主节点还可以<code>slaveof</code>连接其他的一个主节点吗</p>
+</li>
+<li><p>SyncProgress 中的 <code>slaves_</code> 和 <code>match_index </code>是干啥的</p>
+</li>
+<li><p><code>sync_master__slots</code>和 <code>sync_slave_slots</code> 的区别</p>
+</li>
+</ul>
+<p><strong>src&#x2F;pika_auxiliary_thread.cc</strong></p>
+<p>在命令执行时，<code>repl_state_</code> 被置为了 <code>PIKA_REPL_SHOULD_META_SYNC</code> 了，所以这里会调用 <code>SendMetaSyncRequest</code> </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span>* <span class="title">PikaAuxiliaryThread::ThreadMain</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="keyword">while</span> (!<span class="built_in">should_stop</span>()) &#123;</span><br><span class="line">    <span class="keyword">if</span> (g_pika_server-&gt;<span class="built_in">ShouldMetaSync</span>()) &#123;</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">SendMetaSyncRequest</span>();</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (g_pika_server-&gt;<span class="built_in">MetaSyncDone</span>()) &#123;</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">RunSyncSlaveSlotStateMachine</span>();</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    pstd::Status s = g_pika_rm-&gt;<span class="built_in">CheckSyncTimeout</span>(pstd::<span class="built_in">NowMicros</span>());</span><br><span class="line">    <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    g_pika_server-&gt;<span class="built_in">CheckLeaderProtectedMode</span>();</span><br><span class="line"></span><br><span class="line">    <span class="comment">// TODO(whoiami) timeout</span></span><br><span class="line">    s = g_pika_server-&gt;<span class="built_in">TriggerSendBinlogSync</span>();</span><br><span class="line">    <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="comment">// send to peer</span></span><br><span class="line">    <span class="type">int</span> res = g_pika_server-&gt;<span class="built_in">SendToPeer</span>();</span><br><span class="line">    <span class="keyword">if</span> (res == <span class="number">0</span>) &#123;</span><br><span class="line">      <span class="comment">// sleep 100 ms</span></span><br><span class="line">      <span class="function">std::unique_lock <span class="title">lock</span><span class="params">(mu_)</span></span>;</span><br><span class="line">      cv_.<span class="built_in">wait_for</span>(lock, <span class="number">100</span>ms);</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">      <span class="comment">// LOG_EVERY_N(INFO, 1000) &lt;&lt; &quot;Consume binlog number &quot; &lt;&lt; res;</span></span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> <span class="literal">nullptr</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_server.cc</strong></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">bool</span> <span class="title">PikaServer::ShouldMetaSync</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="function">std::shared_lock <span class="title">l</span><span class="params">(state_protector_)</span></span>;</span><br><span class="line">  <span class="keyword">return</span> repl_state_ == PIKA_REPL_SHOULD_META_SYNC;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>这里调用 <code>SendMetaSync</code>，同时在请求发送成功后，更新 <code>MetaSync</code>的 <code>Timestamp</code> 以及将 <code>FirstsetMetaSync</code> 置为 <code>false</code> .</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplicaManager::SendMetaSyncRequest</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  Status s;</span><br><span class="line">  <span class="keyword">if</span> (<span class="built_in">time</span>(<span class="literal">nullptr</span>) - g_pika_server-&gt;<span class="built_in">GetMetaSyncTimestamp</span>() &gt;= PIKA_META_SYNC_MAX_WAIT_TIME ||</span><br><span class="line">      g_pika_server-&gt;<span class="built_in">IsFirstMetaSync</span>()) &#123;</span><br><span class="line">    s = pika_repl_client_-&gt;<span class="built_in">SendMetaSync</span>();</span><br><span class="line">    <span class="keyword">if</span> (s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">      g_pika_server-&gt;<span class="built_in">UpdateMetaSyncTimestamp</span>();</span><br><span class="line">      g_pika_server-&gt;<span class="built_in">SetFirstMetaSync</span>(<span class="literal">false</span>);</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> s;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_client.cc</strong></p>
+<p>这里可以看到主从全量复制的时候，都是从发起的连接，而主复用这条连接给从返回，使用 <code>InnerMessave</code> 将 <code>type</code> 置为 <code>kMetaSync</code> 然后传入 <code>ip</code>, <code>port</code> 随后发送给 <code>Master</code>，发送给 <code>Master</code> 端口 + 2000 的端口</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplClient::SendMetaSync</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  std::string local_ip;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;net::NetCli&gt; <span class="title">cli</span> <span class="params">(net::NewRedisCli())</span></span>;</span><br><span class="line">  cli-&gt;<span class="built_in">set_connect_timeout</span>(<span class="number">1500</span>);</span><br><span class="line">  <span class="keyword">if</span> ((cli-&gt;<span class="built_in">Connect</span>(g_pika_server-&gt;<span class="built_in">master_ip</span>(), g_pika_server-&gt;<span class="built_in">master_port</span>(), <span class="string">&quot;&quot;</span>)).<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    <span class="keyword">struct</span> <span class="title class_">sockaddr_in</span> laddr;</span><br><span class="line">    <span class="type">socklen_t</span> llen = <span class="built_in">sizeof</span>(laddr);</span><br><span class="line">    <span class="built_in">getsockname</span>(cli-&gt;<span class="built_in">fd</span>(), <span class="built_in">reinterpret_cast</span>&lt;<span class="keyword">struct</span> sockaddr*&gt;(&amp;laddr), &amp;llen);</span><br><span class="line">    <span class="function">std::string <span class="title">tmp_local_ip</span><span class="params">(inet_ntoa(laddr.sin_addr))</span></span>;</span><br><span class="line">    local_ip = tmp_local_ip;</span><br><span class="line">    cli-&gt;<span class="built_in">Close</span>();</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Failed to connect master, Master (&quot;</span> &lt;&lt; g_pika_server-&gt;<span class="built_in">master_ip</span>() &lt;&lt; <span class="string">&quot;:&quot;</span></span><br><span class="line">                 &lt;&lt; g_pika_server-&gt;<span class="built_in">master_port</span>() &lt;&lt; <span class="string">&quot;), try reconnect&quot;</span>;</span><br><span class="line">    <span class="comment">// Sleep three seconds to avoid frequent try Meta Sync</span></span><br><span class="line">    <span class="comment">// when the connection fails</span></span><br><span class="line">    <span class="built_in">sleep</span>(<span class="number">3</span>);</span><br><span class="line">    g_pika_server-&gt;<span class="built_in">ResetMetaSyncStatus</span>();</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Connect master error&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  InnerMessage::InnerRequest request;</span><br><span class="line">  request.<span class="built_in">set_type</span>(InnerMessage::kMetaSync);</span><br><span class="line">  InnerMessage::InnerRequest::MetaSync* meta_sync = request.<span class="built_in">mutable_meta_sync</span>();</span><br><span class="line">  InnerMessage::Node* node = meta_sync-&gt;<span class="built_in">mutable_node</span>();</span><br><span class="line">  node-&gt;<span class="built_in">set_ip</span>(local_ip);</span><br><span class="line">  node-&gt;<span class="built_in">set_port</span>(g_pika_server-&gt;<span class="built_in">port</span>());</span><br><span class="line"></span><br><span class="line">  std::string masterauth = g_pika_conf-&gt;<span class="built_in">masterauth</span>();</span><br><span class="line">  <span class="keyword">if</span> (!masterauth.<span class="built_in">empty</span>()) &#123;</span><br><span class="line">    meta_sync-&gt;<span class="built_in">set_auth</span>(masterauth);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::string to_send;</span><br><span class="line">  std::string master_ip = g_pika_server-&gt;<span class="built_in">master_ip</span>();</span><br><span class="line">  <span class="type">int</span> master_port = g_pika_server-&gt;<span class="built_in">master_port</span>();</span><br><span class="line">  <span class="keyword">if</span> (!request.<span class="built_in">SerializeToString</span>(&amp;to_send)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Serialize Meta Sync Request Failed, to Master (&quot;</span> &lt;&lt; master_ip &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; master_port &lt;&lt; <span class="string">&quot;)&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Serialize Failed&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Try Send Meta Sync Request to Master (&quot;</span> &lt;&lt; master_ip &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; master_port &lt;&lt; <span class="string">&quot;)&quot;</span>;</span><br><span class="line">  <span class="keyword">return</span> client_thread_-&gt;<span class="built_in">Write</span>(master_ip, master_port + kPortShiftReplServer, to_send);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_server_conn.cc</strong></p>
+<p>Master 节点拿到 <code>InnerMessage</code> 后，对比一下 <code>masterauth</code> ，然后调用 <code>TryAddSlave</code> 尝试添加 <code>slave</code> 节点信息，然后调用 <code>ReplServerUpdateClientConnMap</code>往 <code>client_conn_map</code> 中添加节点信息，调用 <code>BecomeMaster</code> 是自己从 <code>PIKA_ROLE_SINGLE</code> 变为 <code>PIKA_ROLE_MASTER</code> ，将返回码状态置为 <code>kOK</code> ，这时候主节点产生 <code>ReplicationID</code>, 然后在 <code>InnerMessage</code> 中记录了 <code>classic_mode</code> , <code>run_id</code> , <code>replication_id</code>, 以及 <code>db_struct</code>写回给从节点</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaReplServerConn::HandleMetaSyncRequest</span><span class="params">(<span class="type">void</span>* arg)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;ReplServerTaskArg&gt; <span class="title">task_arg</span><span class="params">(<span class="keyword">static_cast</span>&lt;ReplServerTaskArg*&gt;(arg))</span></span>;</span><br><span class="line">  <span class="type">const</span> std::shared_ptr&lt;InnerMessage::InnerRequest&gt; req = task_arg-&gt;req;</span><br><span class="line">  std::shared_ptr&lt;net::PbConn&gt; conn = task_arg-&gt;conn;</span><br><span class="line"></span><br><span class="line">  InnerMessage::InnerRequest::MetaSync meta_sync_request = req-&gt;<span class="built_in">meta_sync</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::Node&amp; node = meta_sync_request.<span class="built_in">node</span>();</span><br><span class="line">  std::string masterauth = meta_sync_request.<span class="built_in">has_auth</span>() ? meta_sync_request.<span class="built_in">auth</span>() : <span class="string">&quot;&quot;</span>;</span><br><span class="line"></span><br><span class="line">  InnerMessage::InnerResponse response;</span><br><span class="line">  response.<span class="built_in">set_type</span>(InnerMessage::kMetaSync);</span><br><span class="line">  <span class="keyword">if</span> (!g_pika_conf-&gt;<span class="built_in">requirepass</span>().<span class="built_in">empty</span>() &amp;&amp; g_pika_conf-&gt;<span class="built_in">requirepass</span>() != masterauth) &#123;</span><br><span class="line">    response.<span class="built_in">set_code</span>(InnerMessage::kError);</span><br><span class="line">    response.<span class="built_in">set_reply</span>(<span class="string">&quot;Auth with master error, Invalid masterauth&quot;</span>);</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Receive MetaSync, Slave ip: &quot;</span> &lt;&lt; node.<span class="built_in">ip</span>() &lt;&lt; <span class="string">&quot;, Slave port:&quot;</span> &lt;&lt; node.<span class="built_in">port</span>();</span><br><span class="line">    std::vector&lt;DBStruct&gt; db_structs = g_pika_conf-&gt;<span class="built_in">db_structs</span>();</span><br><span class="line">    <span class="type">bool</span> success = g_pika_server-&gt;<span class="built_in">TryAddSlave</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>(), conn-&gt;<span class="built_in">fd</span>(), db_structs);</span><br><span class="line">    <span class="type">const</span> std::string ip_port = pstd::<span class="built_in">IpPortString</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>());</span><br><span class="line">    g_pika_rm-&gt;<span class="built_in">ReplServerUpdateClientConnMap</span>(ip_port, conn-&gt;<span class="built_in">fd</span>());</span><br><span class="line">    <span class="keyword">if</span> (!success) &#123;</span><br><span class="line">      response.<span class="built_in">set_code</span>(InnerMessage::kOther);</span><br><span class="line">      response.<span class="built_in">set_reply</span>(<span class="string">&quot;Slave AlreadyExist&quot;</span>);</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">      g_pika_server-&gt;<span class="built_in">BecomeMaster</span>();</span><br><span class="line">      response.<span class="built_in">set_code</span>(InnerMessage::kOk);</span><br><span class="line">      InnerMessage::InnerResponse_MetaSync* meta_sync = response.<span class="built_in">mutable_meta_sync</span>();</span><br><span class="line">      <span class="keyword">if</span> (g_pika_conf-&gt;<span class="built_in">replication_id</span>() == <span class="string">&quot;&quot;</span>) &#123;</span><br><span class="line">        std::string replication_id = pstd::<span class="built_in">getRandomHexChars</span>(configReplicationIDSize);</span><br><span class="line">        g_pika_conf-&gt;<span class="built_in">SetReplicationID</span>(replication_id);</span><br><span class="line">        g_pika_conf-&gt;<span class="built_in">ConfigRewriteReplicationID</span>();</span><br><span class="line">      &#125;</span><br><span class="line">      meta_sync-&gt;<span class="built_in">set_classic_mode</span>(g_pika_conf-&gt;<span class="built_in">classic_mode</span>());</span><br><span class="line">      meta_sync-&gt;<span class="built_in">set_run_id</span>(g_pika_conf-&gt;<span class="built_in">run_id</span>());</span><br><span class="line">      meta_sync-&gt;<span class="built_in">set_replication_id</span>(g_pika_conf-&gt;<span class="built_in">replication_id</span>());</span><br><span class="line">      <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; db_struct : db_structs) &#123;</span><br><span class="line">        InnerMessage::InnerResponse_MetaSync_DBInfo* db_info = meta_sync-&gt;<span class="built_in">add_dbs_info</span>();</span><br><span class="line">        db_info-&gt;<span class="built_in">set_db_name</span>(db_struct.db_name);</span><br><span class="line">        db_info-&gt;<span class="built_in">set_slot_num</span>(<span class="built_in">static_cast</span>&lt;<span class="type">int32_t</span>&gt;(db_struct.slot_num));</span><br><span class="line">      &#125;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::string reply_str;</span><br><span class="line">  <span class="keyword">if</span> (!response.<span class="built_in">SerializeToString</span>(&amp;reply_str) || (conn-&gt;<span class="built_in">WriteResp</span>(reply_str) != <span class="number">0</span>)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Process MetaSync request serialization failed&quot;</span>;</span><br><span class="line">    conn-&gt;<span class="built_in">NotifyClose</span>();</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  conn-&gt;<span class="built_in">NotifyWrite</span>();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_client_conn.cc</strong></p>
+<p>从节点拿到 Master 的 MetaSyncResponse，先解析状态码，如果是 <code>kOther</code> 则重新进行 MetaSync，如果不是 <code>kOK</code> 则报错，将 <code>repl_state_</code> 置为 <code>PIKA_REPL_ERROR</code>, 如果顺利的话就从 Master 节点返回的 DBStruct 去对比自己的 DBStruct，如果不一致则将 <code>repl_state_</code> 置为 <code>PIKA_REPL_ERROR</code> , 如果和 Master 的 DB 结构一样的话，去查看 Master 返回的 <code>ReplicationID</code> , 如果为空则等待下次请求，如果不为空，判断从节点原来有没有 <code>ReplicationID</code> ，如果没有，则设置成从节点自己的 <code>ReplicationID</code>，同时将 <code>force_fulll_sync</code> 置为 <code>true</code> ，调用 <code>PrepareSlotTrySync</code> 然后调用 <code>FinishMetaSync</code> 将 <code>repl_state_</code> 状态置为 <code>PIKA_REPL_META_SYNC_DONE</code> </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaReplClientConn::HandleMetaSyncResponse</span><span class="params">(<span class="type">void</span>* arg)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;ReplClientTaskArg&gt; <span class="title">task_arg</span><span class="params">(<span class="keyword">static_cast</span>&lt;ReplClientTaskArg*&gt;(arg))</span></span>;</span><br><span class="line">  std::shared_ptr&lt;net::PbConn&gt; conn = task_arg-&gt;conn;</span><br><span class="line">  std::shared_ptr&lt;InnerMessage::InnerResponse&gt; response = task_arg-&gt;res;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (response-&gt;<span class="built_in">code</span>() == InnerMessage::kOther) &#123;</span><br><span class="line">    std::string reply = response-&gt;<span class="built_in">has_reply</span>() ? response-&gt;<span class="built_in">reply</span>() : <span class="string">&quot;&quot;</span>;</span><br><span class="line">    <span class="comment">// keep sending MetaSync</span></span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Meta Sync Failed: &quot;</span> &lt;&lt; reply &lt;&lt; <span class="string">&quot; will keep sending MetaSync msg&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (response-&gt;<span class="built_in">code</span>() != InnerMessage::kOk) &#123;</span><br><span class="line">    std::string reply = response-&gt;<span class="built_in">has_reply</span>() ? response-&gt;<span class="built_in">reply</span>() : <span class="string">&quot;&quot;</span>;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Meta Sync Failed: &quot;</span> &lt;&lt; reply;</span><br><span class="line">    g_pika_server-&gt;<span class="built_in">SyncError</span>();</span><br><span class="line">    conn-&gt;<span class="built_in">NotifyClose</span>();</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="type">const</span> InnerMessage::InnerResponse_MetaSync meta_sync = response-&gt;<span class="built_in">meta_sync</span>();</span><br><span class="line"></span><br><span class="line">  std::vector&lt;DBStruct&gt; master_db_structs;</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">int</span> idx = <span class="number">0</span>; idx &lt; meta_sync.<span class="built_in">dbs_info_size</span>(); ++idx) &#123;</span><br><span class="line">    <span class="type">const</span> InnerMessage::InnerResponse_MetaSync_DBInfo&amp; db_info = meta_sync.<span class="built_in">dbs_info</span>(idx);</span><br><span class="line">    master_db_structs.<span class="built_in">push_back</span>(&#123;db_info.<span class="built_in">db_name</span>(), <span class="built_in">static_cast</span>&lt;<span class="type">uint32_t</span>&gt;(db_info.<span class="built_in">slot_num</span>()), &#123;<span class="number">0</span>&#125;&#125;);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::vector&lt;DBStruct&gt; self_db_structs = g_pika_conf-&gt;<span class="built_in">db_structs</span>();</span><br><span class="line">  <span class="keyword">if</span> (!PikaReplClientConn::<span class="built_in">IsDBStructConsistent</span>(self_db_structs, master_db_structs)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Self db structs(number of databases: &quot;</span> &lt;&lt; self_db_structs.<span class="built_in">size</span>()</span><br><span class="line">                 &lt;&lt; <span class="string">&quot;) inconsistent with master(number of databases: &quot;</span> &lt;&lt; master_db_structs.<span class="built_in">size</span>()</span><br><span class="line">                 &lt;&lt; <span class="string">&quot;), failed to establish master-slave relationship&quot;</span>;</span><br><span class="line">    g_pika_server-&gt;<span class="built_in">SyncError</span>();</span><br><span class="line">    conn-&gt;<span class="built_in">NotifyClose</span>();</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="comment">// The relicationid obtained from the server is null</span></span><br><span class="line">  <span class="keyword">if</span> (meta_sync.<span class="built_in">replication_id</span>() == <span class="string">&quot;&quot;</span>) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Meta Sync Failed: the relicationid obtained from the server is null, keep sending MetaSync msg&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="comment">// The Replicationids of both the primary and secondary Replicationid are not empty and are not equal</span></span><br><span class="line">  <span class="keyword">if</span> (g_pika_conf-&gt;<span class="built_in">replication_id</span>() != meta_sync.<span class="built_in">replication_id</span>() &amp;&amp; g_pika_conf-&gt;<span class="built_in">replication_id</span>() != <span class="string">&quot;&quot;</span>) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Meta Sync Failed: replicationid on both sides of the connection are inconsistent&quot;</span>;</span><br><span class="line">    g_pika_server-&gt;<span class="built_in">SyncError</span>();</span><br><span class="line">    conn-&gt;<span class="built_in">NotifyClose</span>();</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="comment">// First synchronization between the master and slave</span></span><br><span class="line">  <span class="keyword">if</span> (g_pika_conf-&gt;<span class="built_in">replication_id</span>() != meta_sync.<span class="built_in">replication_id</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;New node is added to the cluster and requires full replication, remote replication id: &quot;</span> &lt;&lt; meta_sync.<span class="built_in">replication_id</span>()</span><br><span class="line">              &lt;&lt; <span class="string">&quot;, local replication id: &quot;</span> &lt;&lt; g_pika_conf-&gt;<span class="built_in">replication_id</span>();</span><br><span class="line">    g_pika_server-&gt;force_full_sync_ = <span class="literal">true</span>;</span><br><span class="line">    g_pika_conf-&gt;<span class="built_in">SetReplicationID</span>(meta_sync.<span class="built_in">replication_id</span>());</span><br><span class="line">    g_pika_conf-&gt;<span class="built_in">ConfigRewriteReplicationID</span>();</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  g_pika_conf-&gt;<span class="built_in">SetWriteBinlog</span>(<span class="string">&quot;yes&quot;</span>);</span><br><span class="line">  g_pika_server-&gt;<span class="built_in">PrepareSlotTrySync</span>();</span><br><span class="line">  g_pika_server-&gt;<span class="built_in">FinishMetaSync</span>();</span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Finish to handle meta sync response&quot;</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_server.cc</strong></p>
+<p>在 <code>PrepardSlotTrySync</code> 中判断 <code>force_full_sync_</code> 的值是不是 <code>true</code> ，如果是的话将 <code>state</code> 置为 <code>kTryDBSync</code> 否则置为 <code>kTryConnect</code>, 虽然遍历整个 DB 结构每一个 <code>slot </code>去调用 <code>ActicateSyncSlaveSlot</code> </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaServer::PrepareSlotTrySync</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="function">std::shared_lock <span class="title">rwl</span><span class="params">(dbs_rw_)</span></span>;</span><br><span class="line">  ReplState state = force_full_sync_ ? ReplState::kTryDBSync : ReplState::kTryConnect;</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; db_item : dbs_) &#123;</span><br><span class="line">    <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; slot_item : db_item.second-&gt;slots_) &#123;</span><br><span class="line">      Status s = g_pika_rm-&gt;<span class="built_in">ActivateSyncSlaveSlot</span>(</span><br><span class="line">          <span class="built_in">RmNode</span>(g_pika_server-&gt;<span class="built_in">master_ip</span>(), g_pika_server-&gt;<span class="built_in">master_port</span>(), db_item.second-&gt;<span class="built_in">GetDBName</span>(),</span><br><span class="line">                 slot_item.second-&gt;<span class="built_in">GetSlotID</span>()),</span><br><span class="line">          state);</span><br><span class="line">      <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">      &#125;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  force_full_sync_ = <span class="literal">false</span>;</span><br><span class="line">  loop_slot_state_machine_ = <span class="literal">true</span>;</span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Mark try connect finish&quot;</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p><code>SelectLocalIP</code> 让每个 <code>slot</code> 和远端的 Master 都建立一条连接，然后调用 <code>Activate</code> 将每个节点的 <code>state</code> 置为 <code>kTryDBSync</code> ，这里的 <code>sync_slave_slots</code> 保存了每个 <code>slot</code> 的信息</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplicaManager::ActivateSyncSlaveSlot</span><span class="params">(<span class="type">const</span> RmNode&amp; node, <span class="type">const</span> ReplState&amp; repl_state)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::shared_lock <span class="title">l</span><span class="params">(slots_rw_)</span></span>;</span><br><span class="line">  <span class="type">const</span> SlotInfo&amp; p_info = node.<span class="built_in">NodeSlotInfo</span>();</span><br><span class="line">  <span class="keyword">if</span> (sync_slave_slots_.<span class="built_in">find</span>(p_info) == sync_slave_slots_.<span class="built_in">end</span>()) &#123;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">NotFound</span>(<span class="string">&quot;Sync Slave Slot &quot;</span> + node.<span class="built_in">ToString</span>() + <span class="string">&quot; not found&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line">  ReplState ssp_state = sync_slave_slots_[p_info]-&gt;<span class="built_in">State</span>();</span><br><span class="line">  <span class="keyword">if</span> (ssp_state != ReplState::kNoConnect &amp;&amp; ssp_state != ReplState::kDBNoConnect) &#123;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Sync Slave Slot in &quot;</span> + ReplStateMsg[ssp_state]);</span><br><span class="line">  &#125;</span><br><span class="line">  std::string local_ip;</span><br><span class="line">  Status s = <span class="built_in">SelectLocalIp</span>(node.<span class="built_in">Ip</span>(), node.<span class="built_in">Port</span>(), &amp;local_ip);</span><br><span class="line">  <span class="keyword">if</span> (s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    sync_slave_slots_[p_info]-&gt;<span class="built_in">SetLocalIp</span>(local_ip);</span><br><span class="line">    sync_slave_slots_[p_info]-&gt;<span class="built_in">Activate</span>(node, repl_state);</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> s;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">class</span> <span class="title class_">SyncSlaveSlot</span> &#123;</span><br><span class="line"> std::unique_ptr&lt;rsync::RsyncClient&gt; rsync_cli_;</span><br><span class="line"> pstd::Mutex slot_mu_;</span><br><span class="line"> RmNode m_info_;</span><br><span class="line"> ReplState repl_state_&#123;kNoConnect&#125;;</span><br><span class="line"> std::string local_ip_;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line"><span class="keyword">class</span> <span class="title class_">SyncMasterSlot</span> &#123;</span><br><span class="line">  <span class="type">int32_t</span> session_id_ = <span class="number">0</span>;</span><br><span class="line">  ConsensusCoordinator coordinator_;</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line"><span class="keyword">class</span> <span class="title class_">ConsensusCoordinator</span> &#123;</span><br><span class="line">  LogOffset committed_index_;</span><br><span class="line">  std::shared_ptr&lt;Context&gt; context_;</span><br><span class="line">  std::shared_mutex term_rwlock_;</span><br><span class="line">  <span class="type">uint32_t</span> term_ = <span class="number">0</span>;</span><br><span class="line">  std::string db_name_;</span><br><span class="line">  <span class="type">uint32_t</span> slot_id_ = <span class="number">0</span>;</span><br><span class="line">  SyncProgress sync_pros_;</span><br><span class="line">  std::shared_ptr&lt;StableLog&gt; stable_logger_;</span><br><span class="line">  std::shared_ptr&lt;MemLog&gt; mem_logger_;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_auxiliary_thread.cc</strong></p>
+<p>重新回到辅助线程，由于刚刚把 <code>repl_state_</code> 置为了 <code>PIKA_REPL_META_SYNC_DONE</code> ，所以我们这里执行 <code>RunSyncSlaveSlotStateMachine</code> </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span>* <span class="title">PikaAuxiliaryThread::ThreadMain</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="keyword">while</span> (!<span class="built_in">should_stop</span>()) &#123;</span><br><span class="line">    <span class="keyword">if</span> (g_pika_server-&gt;<span class="built_in">ShouldMetaSync</span>()) &#123;</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">SendMetaSyncRequest</span>();</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (g_pika_server-&gt;<span class="built_in">MetaSyncDone</span>()) &#123;</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">RunSyncSlaveSlotStateMachine</span>();</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    pstd::Status s = g_pika_rm-&gt;<span class="built_in">CheckSyncTimeout</span>(pstd::<span class="built_in">NowMicros</span>());</span><br><span class="line">    <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    g_pika_server-&gt;<span class="built_in">CheckLeaderProtectedMode</span>();</span><br><span class="line"></span><br><span class="line">    <span class="comment">// TODO(whoiami) timeout</span></span><br><span class="line">    s = g_pika_server-&gt;<span class="built_in">TriggerSendBinlogSync</span>();</span><br><span class="line">    <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="comment">// send to peer</span></span><br><span class="line">    <span class="type">int</span> res = g_pika_server-&gt;<span class="built_in">SendToPeer</span>();</span><br><span class="line">    <span class="keyword">if</span> (res == <span class="number">0</span>) &#123;</span><br><span class="line">      <span class="comment">// sleep 100 ms</span></span><br><span class="line">      <span class="function">std::unique_lock <span class="title">lock</span><span class="params">(mu_)</span></span>;</span><br><span class="line">      cv_.<span class="built_in">wait_for</span>(lock, <span class="number">100</span>ms);</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">      <span class="comment">// LOG_EVERY_N(INFO, 1000) &lt;&lt; &quot;Consume binlog number &quot; &lt;&lt; res;</span></span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> <span class="literal">nullptr</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>这个用了一个 <code>for</code> 循环去遍历 <code>sync_slave_slots</code> 中每个 <code>slot</code> 的状态，在刚刚的 <code>MetaSync</code> 处理请求中，我们将每个 <code>slot</code> 的状态设置成了 <code>kTryDBSync</code> 了，所以这里我们调用的是 <code>SendSlotDBSyncRequest</code> </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplicaManager::RunSyncSlaveSlotStateMachine</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="function">std::shared_lock <span class="title">l</span><span class="params">(slots_rw_)</span></span>;</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; item : sync_slave_slots_) &#123;</span><br><span class="line">    SlotInfo p_info = item.first;</span><br><span class="line">    std::shared_ptr&lt;SyncSlaveSlot&gt; s_slot = item.second;</span><br><span class="line">    <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kTryConnect) &#123;</span><br><span class="line">      <span class="built_in">SendSlotTrySyncRequest</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kTryDBSync) &#123;</span><br><span class="line">      <span class="built_in">SendSlotDBSyncRequest</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kWaitReply) &#123;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kWaitDBSync) &#123;</span><br><span class="line">      s_slot-&gt;<span class="built_in">ActivateRsync</span>();</span><br><span class="line">      std::shared_ptr&lt;Slot&gt; slot =</span><br><span class="line">          g_pika_server-&gt;<span class="built_in">GetDBSlotById</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">      <span class="keyword">if</span> (slot) &#123;</span><br><span class="line">        <span class="keyword">if</span> (!s_slot-&gt;<span class="built_in">IsRsyncRunning</span>()) &#123;</span><br><span class="line">          slot-&gt;<span class="built_in">TryUpdateMasterOffset</span>();</span><br><span class="line">        &#125;</span><br><span class="line">      &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot not found, DB Name: &quot;</span> &lt;&lt; p_info.db_name_</span><br><span class="line">                     &lt;&lt; <span class="string">&quot; Slot Id: &quot;</span> &lt;&lt; p_info.slot_id_;</span><br><span class="line">      &#125;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kConnected || s_slot-&gt;<span class="built_in">State</span>() == ReplState::kNoConnect ||</span><br><span class="line">               s_slot-&gt;<span class="built_in">State</span>() == ReplState::kDBNoConnect) &#123;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> Status::<span class="built_in">OK</span>();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>这里调用 <code>GetDBSlotBinlogOffset</code> 将从节点自身的在写的 <code>Binlog</code> 的 <code>filenum</code> 和 <code>offset</code> 记录在 <code>BinlogOffset</code> 中，调用 <code>PrepareRsync</code> ，在 <code>dbsync_path_</code> 下建立五种数据类型的文件夹. 这里调用了 	<code>SendSlotDBSync</code> ，如果成功的话将 <code>repl_state_</code> 的状态设置为 <code>kWaitReply</code> 否则置为 <code>kError</code></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplicaManager::SendSlotDBSyncRequest</span><span class="params">(<span class="type">const</span> std::string&amp; db_name, <span class="type">size_t</span> slot_id)</span> </span>&#123;</span><br><span class="line">  BinlogOffset boffset;</span><br><span class="line">  <span class="keyword">if</span> (!g_pika_server-&gt;<span class="built_in">GetDBSlotBinlogOffset</span>(db_name, slot_id, &amp;boffset)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot;,  Get slot binlog offset failed&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Slot get binlog offset error&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::shared_ptr&lt;Slot&gt; slot = g_pika_server-&gt;<span class="built_in">GetDBSlotById</span>(db_name, slot_id);</span><br><span class="line">  <span class="keyword">if</span> (!slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot;, NotFound&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Slot not found&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line">  slot-&gt;<span class="built_in">PrepareRsync</span>();</span><br><span class="line"></span><br><span class="line">  std::shared_ptr&lt;SyncSlaveSlot&gt; slave_slot =</span><br><span class="line">      <span class="built_in">GetSyncSlaveSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name, slot_id));</span><br><span class="line">  <span class="keyword">if</span> (!slave_slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slave Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot;, NotFound&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Slave Slot not found&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  Status status = pika_repl_client_-&gt;<span class="built_in">SendSlotDBSync</span>(slave_slot-&gt;<span class="built_in">MasterIp</span>(), slave_slot-&gt;<span class="built_in">MasterPort</span>(),</span><br><span class="line">                                                    db_name, slot_id, boffset, slave_slot-&gt;<span class="built_in">LocalIp</span>());</span><br><span class="line"></span><br><span class="line">  Status s;</span><br><span class="line">  <span class="keyword">if</span> (status.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kWaitReply);</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;SendSlotDBSync failed &quot;</span> &lt;&lt; status.<span class="built_in">ToString</span>();</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> status;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_client.cc</strong></p>
+<p>这里将 <code>InnerMessage</code> 类型设置为 <code>kDBSync</code> 然后将 <code>ip-port</code>, <code>db_name</code> , <code>slot_id</code> ，<code>filenum</code>，<code>offset</code> 传进去，发送给 Master 节点.</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplClient::SendSlotDBSync</span><span class="params">(<span class="type">const</span> std::string&amp; ip, <span class="type">uint32_t</span> port, <span class="type">const</span> std::string&amp; db_name,</span></span></span><br><span class="line"><span class="params"><span class="function">                                           <span class="type">uint32_t</span> slot_id, <span class="type">const</span> BinlogOffset&amp; boffset,</span></span></span><br><span class="line"><span class="params"><span class="function">                                           <span class="type">const</span> std::string&amp; local_ip)</span> </span>&#123;</span><br><span class="line">  InnerMessage::InnerRequest request;</span><br><span class="line">  request.<span class="built_in">set_type</span>(InnerMessage::kDBSync);</span><br><span class="line">  InnerMessage::InnerRequest::DBSync* db_sync = request.<span class="built_in">mutable_db_sync</span>();</span><br><span class="line">  InnerMessage::Node* node = db_sync-&gt;<span class="built_in">mutable_node</span>();</span><br><span class="line">  node-&gt;<span class="built_in">set_ip</span>(local_ip);</span><br><span class="line">  node-&gt;<span class="built_in">set_port</span>(g_pika_server-&gt;<span class="built_in">port</span>());</span><br><span class="line">  InnerMessage::Slot* slot = db_sync-&gt;<span class="built_in">mutable_slot</span>();</span><br><span class="line">  slot-&gt;<span class="built_in">set_db_name</span>(db_name);</span><br><span class="line">  slot-&gt;<span class="built_in">set_slot_id</span>(slot_id);</span><br><span class="line"></span><br><span class="line">  InnerMessage::BinlogOffset* binlog_offset = db_sync-&gt;<span class="built_in">mutable_binlog_offset</span>();</span><br><span class="line">  binlog_offset-&gt;<span class="built_in">set_filenum</span>(boffset.filenum);</span><br><span class="line">  binlog_offset-&gt;<span class="built_in">set_offset</span>(boffset.offset);</span><br><span class="line"></span><br><span class="line">  std::string to_send;</span><br><span class="line">  <span class="keyword">if</span> (!request.<span class="built_in">SerializeToString</span>(&amp;to_send)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Serialize Slot DBSync Request Failed, to Master (&quot;</span> &lt;&lt; ip &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; port &lt;&lt; <span class="string">&quot;)&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Serialize Failed&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> client_thread_-&gt;<span class="built_in">Write</span>(ip, <span class="built_in">static_cast</span>&lt;<span class="type">int32_t</span>&gt;(port) + kPortShiftReplServer, to_send);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_server_conn.cc</strong></p>
+<p>这里 Master 将需要写回的 <code>db_name</code>, <code>slot_id</code> , <code>kOk</code>, <code>kDBSync</code> , <code>session_id</code> 写到 <code>InnerResponse</code> 中，然后调用 <code>TryDBSync</code> 和 <code>ActivateSlaveDbSync</code>, 注意这里调用 <code>TryDBSync</code> 的端口是目标端口 + <code>1000</code></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="type">const</span> <span class="type">int</span> kPortShiftRSync = <span class="number">1000</span>;</span><br></pre></td></tr></table></figure>
+
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaReplServerConn::HandleDBSyncRequest</span><span class="params">(<span class="type">void</span>* arg)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;ReplServerTaskArg&gt; <span class="title">task_arg</span><span class="params">(<span class="keyword">static_cast</span>&lt;ReplServerTaskArg*&gt;(arg))</span></span>;</span><br><span class="line">  <span class="type">const</span> std::shared_ptr&lt;InnerMessage::InnerRequest&gt; req = task_arg-&gt;req;</span><br><span class="line">  std::shared_ptr&lt;net::PbConn&gt; conn = task_arg-&gt;conn;</span><br><span class="line"></span><br><span class="line">  InnerMessage::InnerRequest::DBSync db_sync_request = req-&gt;<span class="built_in">db_sync</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::Slot&amp; slot_request = db_sync_request.<span class="built_in">slot</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::Node&amp; node = db_sync_request.<span class="built_in">node</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::BinlogOffset&amp; slave_boffset = db_sync_request.<span class="built_in">binlog_offset</span>();</span><br><span class="line">  std::string db_name = slot_request.<span class="built_in">db_name</span>();</span><br><span class="line">  <span class="type">uint32_t</span> slot_id = slot_request.<span class="built_in">slot_id</span>();</span><br><span class="line">  std::string slot_name = db_name + <span class="string">&quot;_&quot;</span> + std::<span class="built_in">to_string</span>(slot_id);</span><br><span class="line"></span><br><span class="line">  InnerMessage::InnerResponse response;</span><br><span class="line">  response.<span class="built_in">set_code</span>(InnerMessage::kOk);</span><br><span class="line">  response.<span class="built_in">set_type</span>(InnerMessage::Type::kDBSync);</span><br><span class="line">  InnerMessage::InnerResponse::DBSync* db_sync_response = response.<span class="built_in">mutable_db_sync</span>();</span><br><span class="line">  InnerMessage::Slot* slot_response = db_sync_response-&gt;<span class="built_in">mutable_slot</span>();</span><br><span class="line">  slot_response-&gt;<span class="built_in">set_db_name</span>(db_name);</span><br><span class="line">  slot_response-&gt;<span class="built_in">set_slot_id</span>(slot_id);</span><br><span class="line"></span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Handle Slot DBSync Request&quot;</span>;</span><br><span class="line">  <span class="type">bool</span> prior_success = <span class="literal">true</span>;</span><br><span class="line">  std::shared_ptr&lt;SyncMasterSlot&gt; master_slot =</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">GetSyncMasterSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name, slot_id));</span><br><span class="line">  <span class="keyword">if</span> (!master_slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Sync Master Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot;, NotFound&quot;</span>;</span><br><span class="line">    prior_success = <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">if</span> (prior_success) &#123;</span><br><span class="line">    <span class="keyword">if</span> (!master_slot-&gt;<span class="built_in">CheckSlaveNodeExist</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>())) &#123;</span><br><span class="line">      <span class="type">int32_t</span> session_id = master_slot-&gt;<span class="built_in">GenSessionId</span>();</span><br><span class="line">      <span class="keyword">if</span> (session_id == <span class="number">-1</span>) &#123;</span><br><span class="line">        response.<span class="built_in">set_code</span>(InnerMessage::kError);</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot;, Gen Session id Failed&quot;</span>;</span><br><span class="line">        prior_success = <span class="literal">false</span>;</span><br><span class="line">      &#125;</span><br><span class="line">      <span class="keyword">if</span> (prior_success) &#123;</span><br><span class="line">        db_sync_response-&gt;<span class="built_in">set_session_id</span>(session_id);</span><br><span class="line">        Status s = master_slot-&gt;<span class="built_in">AddSlaveNode</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>(), session_id);</span><br><span class="line">        <span class="keyword">if</span> (s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">          <span class="type">const</span> std::string ip_port = pstd::<span class="built_in">IpPortString</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>());</span><br><span class="line">          g_pika_rm-&gt;<span class="built_in">ReplServerUpdateClientConnMap</span>(ip_port, conn-&gt;<span class="built_in">fd</span>());</span><br><span class="line">          <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; Handle DBSync Request Success, Session: &quot;</span> &lt;&lt; session_id;</span><br><span class="line">        &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">          response.<span class="built_in">set_code</span>(InnerMessage::kError);</span><br><span class="line">          <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; Handle DBSync Request Failed, &quot;</span> &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">          prior_success = <span class="literal">false</span>;</span><br><span class="line">        &#125;</span><br><span class="line">      &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        db_sync_response-&gt;<span class="built_in">set_session_id</span>(<span class="number">-1</span>);</span><br><span class="line">      &#125;</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">      <span class="type">int32_t</span> session_id;</span><br><span class="line">      Status s = master_slot-&gt;<span class="built_in">GetSlaveNodeSession</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>(), &amp;session_id);</span><br><span class="line">      <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">        response.<span class="built_in">set_code</span>(InnerMessage::kError);</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot;, Get Session id Failed&quot;</span> &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">        prior_success = <span class="literal">false</span>;</span><br><span class="line">        db_sync_response-&gt;<span class="built_in">set_session_id</span>(<span class="number">-1</span>);</span><br><span class="line">      &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        db_sync_response-&gt;<span class="built_in">set_session_id</span>(session_id);</span><br><span class="line">        <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; Handle DBSync Request Success, Session: &quot;</span> &lt;&lt; session_id;</span><br><span class="line">      &#125;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  g_pika_server-&gt;<span class="built_in">TryDBSync</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>() + kPortShiftRSync, db_name, slot_id,</span><br><span class="line">                           <span class="built_in">static_cast</span>&lt;<span class="type">int32_t</span>&gt;(slave_boffset.<span class="built_in">filenum</span>()));</span><br><span class="line">  <span class="comment">// Change slave node&#x27;s state to kSlaveDbSync so that the binlog will perserved.</span></span><br><span class="line">  <span class="comment">// See details in SyncMasterSlot::BinlogCloudPurge.</span></span><br><span class="line">  master_slot-&gt;<span class="built_in">ActivateSlaveDbSync</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>());</span><br><span class="line"></span><br><span class="line">  std::string reply_str;</span><br><span class="line">  <span class="keyword">if</span> (!response.<span class="built_in">SerializeToString</span>(&amp;reply_str) || (conn-&gt;<span class="built_in">WriteResp</span>(reply_str) != <span class="number">0</span>)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Handle DBSync Failed&quot;</span>;</span><br><span class="line">    conn-&gt;<span class="built_in">NotifyClose</span>();</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  conn-&gt;<span class="built_in">NotifyWrite</span>();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>在 <code>ActivateSlaveDbsync</code> 中将 <code>Slave</code> 节点的状态置为 <code>kSlaveDbSync</code></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">SyncMasterSlot::ActivateSlaveDbSync</span><span class="params">(<span class="type">const</span> std::string&amp; ip, <span class="type">int</span> port)</span> </span>&#123;</span><br><span class="line">  std::shared_ptr&lt;SlaveNode&gt; slave_ptr = <span class="built_in">GetSlaveNode</span>(ip, port);</span><br><span class="line">  <span class="keyword">if</span> (!slave_ptr) &#123;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">NotFound</span>(<span class="string">&quot;ip &quot;</span> + ip + <span class="string">&quot; port &quot;</span> + std::<span class="built_in">to_string</span>(port));</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  slave_ptr-&gt;<span class="built_in">Lock</span>();</span><br><span class="line">  slave_ptr-&gt;slave_state = kSlaveDbSync;</span><br><span class="line">  <span class="comment">// invoke db sync</span></span><br><span class="line">  slave_ptr-&gt;<span class="built_in">Unlock</span>();</span><br><span class="line"></span><br><span class="line">  <span class="keyword">return</span> Status::<span class="built_in">OK</span>();</span><br><span class="line">&#125;</span><br><span class="line"></span><br><span class="line"><span class="comment">// rm define</span></span><br><span class="line"><span class="keyword">enum</span> <span class="title class_">SlaveState</span> &#123;</span><br><span class="line">  kSlaveNotSync = <span class="number">0</span>,</span><br><span class="line">  kSlaveDbSync = <span class="number">1</span>,</span><br><span class="line">  kSlaveBinlogSync = <span class="number">2</span>,</span><br><span class="line">&#125;;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_server.cc</strong></p>
+<p>这里 Master 节点调用 <code>Bgsave</code> 获取到 <code>dump</code> 文件夹，当前 <code>DB</code> 目录的快照</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaServer::TryDBSync</span><span class="params">(<span class="type">const</span> std::string&amp; ip, <span class="type">int</span> port, <span class="type">const</span> std::string&amp; db_name, <span class="type">uint32_t</span> slot_id,</span></span></span><br><span class="line"><span class="params"><span class="function">                           <span class="type">int32_t</span> top)</span> </span>&#123;</span><br><span class="line">  std::shared_ptr&lt;Slot&gt; slot = <span class="built_in">GetDBSlotById</span>(db_name, slot_id);</span><br><span class="line">  <span class="keyword">if</span> (!slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;can not find Slot whose id is &quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot; in db &quot;</span> &lt;&lt; db_name</span><br><span class="line">                 &lt;&lt; <span class="string">&quot;, TryDBSync Failed&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  std::shared_ptr&lt;SyncMasterSlot&gt; sync_slot =</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">GetSyncMasterSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name, slot_id));</span><br><span class="line">  <span class="keyword">if</span> (!sync_slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;can not find Slot whose id is &quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot; in db &quot;</span> &lt;&lt; db_name</span><br><span class="line">                 &lt;&lt; <span class="string">&quot;, TryDBSync Failed&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  BgSaveInfo bgsave_info = slot-&gt;<span class="built_in">bgsave_info</span>();</span><br><span class="line">  std::string logger_filename = sync_slot-&gt;<span class="built_in">Logger</span>()-&gt;<span class="built_in">filename</span>();</span><br><span class="line">  <span class="keyword">if</span> (pstd::<span class="built_in">IsDir</span>(bgsave_info.path) != <span class="number">0</span> ||</span><br><span class="line">      !pstd::<span class="built_in">FileExists</span>(<span class="built_in">NewFileName</span>(logger_filename, bgsave_info.offset.b_offset.filenum)) ||</span><br><span class="line">      top - bgsave_info.offset.b_offset.filenum &gt; kDBSyncMaxGap) &#123;</span><br><span class="line">    <span class="comment">// Need Bgsave first</span></span><br><span class="line">    slot-&gt;<span class="built_in">BgSaveSlot</span>();</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="comment">//<span class="doctag">TODO:</span> temporarily disable rsync server</span></span><br><span class="line">  <span class="comment">//DBSync(ip, port, db_name, slot_id);</span></span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_client_conn.cc</strong></p>
+<p>从节点收到 Master 节点的 <code>DBSync</code> 回包后，设置一下自己的 <code>session_id</code>, 然后停止 <code>Rsync</code>线程，将状态改为 <code>kWaitDBSync</code> </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaReplClientConn::HandleDBSyncResponse</span><span class="params">(<span class="type">void</span>* arg)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;ReplClientTaskArg&gt; <span class="title">task_arg</span><span class="params">(<span class="keyword">static_cast</span>&lt;ReplClientTaskArg*&gt;(arg))</span></span>;</span><br><span class="line">  std::shared_ptr&lt;net::PbConn&gt; conn = task_arg-&gt;conn;</span><br><span class="line">  std::shared_ptr&lt;InnerMessage::InnerResponse&gt; response = task_arg-&gt;res;</span><br><span class="line"></span><br><span class="line">  <span class="type">const</span> InnerMessage::InnerResponse_DBSync db_sync_response = response-&gt;<span class="built_in">db_sync</span>();</span><br><span class="line">  <span class="type">int32_t</span> session_id = db_sync_response.<span class="built_in">session_id</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::Slot&amp; slot_response = db_sync_response.<span class="built_in">slot</span>();</span><br><span class="line">  <span class="type">const</span> std::string&amp; db_name = slot_response.<span class="built_in">db_name</span>();</span><br><span class="line">  <span class="type">uint32_t</span> slot_id = slot_response.<span class="built_in">slot_id</span>();</span><br><span class="line"></span><br><span class="line">  std::shared_ptr&lt;SyncSlaveSlot&gt; slave_slot =</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">GetSyncSlaveSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name, slot_id));</span><br><span class="line">  <span class="keyword">if</span> (!slave_slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slave Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot; Not Found&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (response-&gt;<span class="built_in">code</span>() != InnerMessage::kOk) &#123;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">    std::string reply = response-&gt;<span class="built_in">has_reply</span>() ? response-&gt;<span class="built_in">reply</span>() : <span class="string">&quot;&quot;</span>;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;DBSync Failed: &quot;</span> &lt;&lt; reply;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  slave_slot-&gt;<span class="built_in">SetMasterSessionId</span>(session_id);</span><br><span class="line"></span><br><span class="line">  std::string slot_name = slave_slot-&gt;<span class="built_in">SlotName</span>();</span><br><span class="line">  slave_slot-&gt;<span class="built_in">StopRsync</span>();</span><br><span class="line">  slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kWaitDBSync);</span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; Need Wait To Sync&quot;</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>再次回到这个 for 循环，由于我们现在是 <code>kWaitDBSync</code> 状态，所以我们调用 <code>ActivateRsync</code>启动了 <code>Rsync</code> 线程，然后调用 <code>TryUpdateMasterOffset</code> </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplicaManager::RunSyncSlaveSlotStateMachine</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="function">std::shared_lock <span class="title">l</span><span class="params">(slots_rw_)</span></span>;</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; item : sync_slave_slots_) &#123;</span><br><span class="line">    SlotInfo p_info = item.first;</span><br><span class="line">    std::shared_ptr&lt;SyncSlaveSlot&gt; s_slot = item.second;</span><br><span class="line">    <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kTryConnect) &#123;</span><br><span class="line">      <span class="built_in">SendSlotTrySyncRequest</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kTryDBSync) &#123;</span><br><span class="line">      <span class="built_in">SendSlotDBSyncRequest</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kWaitReply) &#123;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kWaitDBSync) &#123;</span><br><span class="line">      s_slot-&gt;<span class="built_in">ActivateRsync</span>();</span><br><span class="line">      std::shared_ptr&lt;Slot&gt; slot =</span><br><span class="line">          g_pika_server-&gt;<span class="built_in">GetDBSlotById</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">      <span class="keyword">if</span> (slot) &#123;</span><br><span class="line">        <span class="keyword">if</span> (!s_slot-&gt;<span class="built_in">IsRsyncRunning</span>()) &#123;</span><br><span class="line">          slot-&gt;<span class="built_in">TryUpdateMasterOffset</span>();</span><br><span class="line">        &#125;</span><br><span class="line">      &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot not found, DB Name: &quot;</span> &lt;&lt; p_info.db_name_</span><br><span class="line">                     &lt;&lt; <span class="string">&quot; Slot Id: &quot;</span> &lt;&lt; p_info.slot_id_;</span><br><span class="line">      &#125;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kConnected || s_slot-&gt;<span class="built_in">State</span>() == ReplState::kNoConnect ||</span><br><span class="line">               s_slot-&gt;<span class="built_in">State</span>() == ReplState::kDBNoConnect) &#123;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> Status::<span class="built_in">OK</span>();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>在 <code>ActivateRsync</code> 中先调用 <code>Init()</code></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">SyncSlaveSlot::ActivateRsync</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="keyword">if</span> (!rsync_cli_-&gt;<span class="built_in">IsIdle</span>()) &#123;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;ActivateRsync ...&quot;</span>;</span><br><span class="line">  <span class="keyword">if</span> (rsync_cli_-&gt;<span class="built_in">Init</span>()) &#123;</span><br><span class="line">    rsync_cli_-&gt;<span class="built_in">Start</span>();</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;rsync_client.cc</strong></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">bool</span> <span class="title">RsyncClient::Init</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="keyword">if</span> (state_ != IDLE) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;State should be IDLE when Init&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  master_ip_ = g_pika_server-&gt;<span class="built_in">master_ip</span>();</span><br><span class="line">  master_port_ = g_pika_server-&gt;<span class="built_in">master_port</span>() + kPortShiftRsync2;</span><br><span class="line">  file_set_.<span class="built_in">clear</span>();</span><br><span class="line">  client_thread_-&gt;<span class="built_in">StartThread</span>();</span><br><span class="line">  <span class="type">bool</span> ret = <span class="built_in">Recover</span>();</span><br><span class="line">  <span class="keyword">if</span> (!ret) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;RsyncClient recover failed&quot;</span>;</span><br><span class="line">    client_thread_-&gt;<span class="built_in">StopThread</span>();</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  finished_work_cnt_.<span class="built_in">store</span>(<span class="number">0</span>);</span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;RsyncClient recover success&quot;</span>;</span><br><span class="line">  <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;rsync_client.cc</strong></p>
+<p>在 <code>Recover</code> 中，我们先调用了 <code>CopyRemoteMeta</code> 函数</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">bool</span> <span class="title">RsyncClient::Recover</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  std::string local_snapshot_uuid;</span><br><span class="line">  std::string remote_snapshot_uuid;</span><br><span class="line">  std::set&lt;std::string&gt; local_file_set;</span><br><span class="line">  std::set&lt;std::string&gt; remote_file_set;</span><br><span class="line">  std::map&lt;std::string, std::string&gt; local_file_map;</span><br><span class="line"></span><br><span class="line">  Status s = <span class="built_in">CopyRemoteMeta</span>(&amp;remote_snapshot_uuid, &amp;remote_file_set);</span><br><span class="line">  <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;copy remote meta failed&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  s = <span class="built_in">LoadLocalMeta</span>(&amp;local_snapshot_uuid, &amp;local_file_map);</span><br><span class="line">  <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;load local meta failed&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">for</span> (<span class="keyword">auto</span> <span class="type">const</span>&amp; file : local_file_map) &#123;</span><br><span class="line">    local_file_set.<span class="built_in">insert</span>(file.first);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::set&lt;std::string&gt; expired_files;</span><br><span class="line">  <span class="keyword">if</span> (remote_snapshot_uuid != local_snapshot_uuid) &#123;</span><br><span class="line">    snapshot_uuid_ = remote_snapshot_uuid;</span><br><span class="line">    file_set_ = remote_file_set;</span><br><span class="line">    expired_files = local_file_set;</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    std::set&lt;std::string&gt; newly_files;</span><br><span class="line">    <span class="built_in">set_difference</span>(remote_file_set.<span class="built_in">begin</span>(), remote_file_set.<span class="built_in">end</span>(),</span><br><span class="line">                   local_file_set.<span class="built_in">begin</span>(), local_file_set.<span class="built_in">end</span>(),</span><br><span class="line">                   <span class="built_in">inserter</span>(newly_files, newly_files.<span class="built_in">begin</span>()));</span><br><span class="line">    <span class="built_in">set_difference</span>(local_file_set.<span class="built_in">begin</span>(), local_file_set.<span class="built_in">end</span>(),</span><br><span class="line">                   remote_file_set.<span class="built_in">begin</span>(), remote_file_set.<span class="built_in">end</span>(),</span><br><span class="line">                   <span class="built_in">inserter</span>(expired_files, expired_files.<span class="built_in">begin</span>()));</span><br><span class="line">    file_set_.<span class="built_in">insert</span>(newly_files.<span class="built_in">begin</span>(), newly_files.<span class="built_in">end</span>());</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  s = <span class="built_in">CleanUpExpiredFiles</span>(local_snapshot_uuid != remote_snapshot_uuid, expired_files);</span><br><span class="line">  <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;clean up expired files failed&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  s = <span class="built_in">UpdateLocalMeta</span>(snapshot_uuid_, expired_files, &amp;local_file_map);</span><br><span class="line">  <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;update local meta failed&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  state_ = RUNNING;</span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;copy meta data done, slot_id: &quot;</span> &lt;&lt; slot_id_</span><br><span class="line">            &lt;&lt; <span class="string">&quot; snapshot_uuid: &quot;</span> &lt;&lt; snapshot_uuid_</span><br><span class="line">            &lt;&lt; <span class="string">&quot; file count: &quot;</span> &lt;&lt; file_set_.<span class="built_in">size</span>()</span><br><span class="line">            &lt;&lt; <span class="string">&quot; expired file count: &quot;</span> &lt;&lt; expired_files.<span class="built_in">size</span>()</span><br><span class="line">            &lt;&lt; <span class="string">&quot; local file count: &quot;</span> &lt;&lt; local_file_set.<span class="built_in">size</span>()</span><br><span class="line">            &lt;&lt; <span class="string">&quot; remote file count: &quot;</span> &lt;&lt; remote_file_set.<span class="built_in">size</span>()</span><br><span class="line">            &lt;&lt; <span class="string">&quot; remote snapshot_uuid: &quot;</span> &lt;&lt; remote_snapshot_uuid</span><br><span class="line">            &lt;&lt; <span class="string">&quot; local snapshot_uuid: &quot;</span> &lt;&lt; local_snapshot_uuid</span><br><span class="line">            &lt;&lt; <span class="string">&quot; file_set_: &quot;</span> &lt;&lt; file_set_.<span class="built_in">size</span>();</span><br><span class="line">  for_each(file_set_.<span class="built_in">begin</span>(), file_set_.<span class="built_in">end</span>(),</span><br><span class="line">           [](<span class="keyword">auto</span>&amp; file) &#123;<span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;file_set: &quot;</span> &lt;&lt; file;&#125;);</span><br><span class="line">  <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;rsync_client.cc</strong></p>
+<p>这里封装了一个 <code>RsyncRequest</code> 里面有 <code>db_name</code> , <code>slot_id</code>, <code>kRsyncMeta</code>, 然后发送给 Master，收到 <code>resp</code> 后将 Master 发给自己的 Dump 文件的元信息记录到 <code>file_set</code> 中，同时更新 <code>snapshot_uuid</code>.</p>
+<p>后续在 <code>Init</code>中对比一下 远端的元信息和本地的元信息进行调整，至此 <code>Init</code> 完成</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">RsyncClient::CopyRemoteMeta</span><span class="params">(std::string* snapshot_uuid, std::set&lt;std::string&gt;* file_set)</span> </span>&#123;</span><br><span class="line">  Status s;</span><br><span class="line">  <span class="type">int</span> retries = <span class="number">0</span>;</span><br><span class="line">  RsyncRequest request;</span><br><span class="line">  request.<span class="built_in">set_reader_index</span>(<span class="number">0</span>);</span><br><span class="line">  request.<span class="built_in">set_db_name</span>(db_name_);</span><br><span class="line">  request.<span class="built_in">set_slot_id</span>(slot_id_);</span><br><span class="line">  request.<span class="built_in">set_type</span>(kRsyncMeta);</span><br><span class="line">  std::string to_send;</span><br><span class="line">  request.<span class="built_in">SerializeToString</span>(&amp;to_send);</span><br><span class="line">  <span class="keyword">while</span> (retries &lt; max_retries_) &#123;</span><br><span class="line">    WaitObject* wo = wo_mgr_-&gt;<span class="built_in">UpdateWaitObject</span>(<span class="number">0</span>, <span class="string">&quot;&quot;</span>, kRsyncMeta, kInvalidOffset);</span><br><span class="line">    s = client_thread_-&gt;<span class="built_in">Write</span>(master_ip_, master_port_, to_send);</span><br><span class="line">    <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">      retries++;</span><br><span class="line">    &#125;</span><br><span class="line">    std::shared_ptr&lt;RsyncResponse&gt; resp;</span><br><span class="line">    s = wo-&gt;<span class="built_in">Wait</span>(resp);</span><br><span class="line">    <span class="keyword">if</span> (s.<span class="built_in">IsTimeout</span>() || resp.<span class="built_in">get</span>() == <span class="literal">nullptr</span>) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;rsync CopyRemoteMeta request timeout, &quot;</span></span><br><span class="line">                   &lt;&lt; <span class="string">&quot;retry times: &quot;</span> &lt;&lt; retries;</span><br><span class="line">      retries++;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (resp-&gt;<span class="built_in">code</span>() != RsyncService::kOk) &#123;</span><br><span class="line">      <span class="comment">//<span class="doctag">TODO:</span> handle different error</span></span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;receive rsync meta infos, snapshot_uuid: &quot;</span> &lt;&lt; resp-&gt;<span class="built_in">snapshot_uuid</span>()</span><br><span class="line">              &lt;&lt; <span class="string">&quot;files count: &quot;</span> &lt;&lt; resp-&gt;<span class="built_in">meta_resp</span>().<span class="built_in">filenames_size</span>();</span><br><span class="line">    <span class="keyword">for</span> (std::string item : resp-&gt;<span class="built_in">meta_resp</span>().<span class="built_in">filenames</span>()) &#123;</span><br><span class="line">      file_set-&gt;<span class="built_in">insert</span>(item);</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    *snapshot_uuid = resp-&gt;<span class="built_in">snapshot_uuid</span>();</span><br><span class="line">    <span class="keyword">break</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> s;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;rsync_server.cc</strong></p>
+<p>Master 端处理 <code>MetaRsync</code> 请求，返回了一个 <code>Response</code> 里面有 <code>kOk</code> , <code>kRsyncMeta</code> , <code>db_name</code> , <code>slot_id</code>, <code>reader_index</code> , <code>snapshot_uuid</code>, 然后调用 <code>GetDumpMeta</code> 将 Dump 文件中的元信息记录到 <code>filenames</code>中，然后一并返回给 <code>Slave</code>.</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">RsyncServerConn::HandleMetaRsyncRequest</span><span class="params">(<span class="type">void</span>* arg)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;RsyncServerTaskArg&gt; <span class="title">task_arg</span><span class="params">(<span class="keyword">static_cast</span>&lt;RsyncServerTaskArg*&gt;(arg))</span></span>;</span><br><span class="line">  <span class="type">const</span> std::shared_ptr&lt;RsyncService::RsyncRequest&gt; req = task_arg-&gt;req;</span><br><span class="line">  std::shared_ptr&lt;net::PbConn&gt; conn = task_arg-&gt;conn;</span><br><span class="line">  std::string db_name = req-&gt;<span class="built_in">db_name</span>();</span><br><span class="line">  <span class="type">uint32_t</span> slot_id = req-&gt;<span class="built_in">slot_id</span>();</span><br><span class="line">  std::shared_ptr&lt;Slot&gt; slot = g_pika_server-&gt;<span class="built_in">GetDBSlotById</span>(db_name, slot_id);</span><br><span class="line">  <span class="keyword">if</span> (!slot || slot-&gt;<span class="built_in">IsBgSaving</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;waiting bgsave done...&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  RsyncService::RsyncResponse response;</span><br><span class="line">  response.<span class="built_in">set_reader_index</span>(req-&gt;<span class="built_in">reader_index</span>());</span><br><span class="line">  response.<span class="built_in">set_code</span>(RsyncService::kOk);</span><br><span class="line">  response.<span class="built_in">set_type</span>(RsyncService::kRsyncMeta);</span><br><span class="line">  response.<span class="built_in">set_db_name</span>(db_name);</span><br><span class="line">  response.<span class="built_in">set_slot_id</span>(slot_id);</span><br><span class="line"></span><br><span class="line">  std::vector&lt;std::string&gt; filenames;</span><br><span class="line">  std::string snapshot_uuid;</span><br><span class="line">  g_pika_server-&gt;<span class="built_in">GetDumpMeta</span>(db_name, slot_id, &amp;filenames, &amp;snapshot_uuid);</span><br><span class="line">  response.<span class="built_in">set_snapshot_uuid</span>(snapshot_uuid);</span><br><span class="line"></span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Rsync Meta request, snapshot_uuid: &quot;</span> &lt;&lt; snapshot_uuid</span><br><span class="line">            &lt;&lt; <span class="string">&quot; files count: &quot;</span> &lt;&lt; filenames.<span class="built_in">size</span>() &lt;&lt; <span class="string">&quot; file list: &quot;</span>;</span><br><span class="line">  std::for_each(filenames.<span class="built_in">begin</span>(), filenames.<span class="built_in">end</span>(), [](<span class="keyword">auto</span>&amp; file) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;rsync snapshot file: &quot;</span> &lt;&lt; file;</span><br><span class="line">  &#125;);</span><br><span class="line"></span><br><span class="line">  RsyncService::MetaResponse* meta_resp = response.<span class="built_in">mutable_meta_resp</span>();</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; filename : filenames) &#123;</span><br><span class="line">        meta_resp-&gt;<span class="built_in">add_filenames</span>(filename);</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="built_in">RsyncWriteResp</span>(response, conn);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;rsync_client.cc</strong></p>
+<p>在 <code>file_set_</code> 里面保存着远端文件的元信息之后，<code>work_threads</code> 就开始调用 <code>Copy</code> 去远端拉取文件</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span>* <span class="title">RsyncClient::ThreadMain</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="keyword">if</span> (file_set_.<span class="built_in">empty</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;No remote files need copy, RsyncClient exit&quot;</span>;</span><br><span class="line">    state_.<span class="built_in">store</span>(STOP);</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">nullptr</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  Status s = Status::<span class="built_in">OK</span>();</span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;RsyncClient begin to copy remote files&quot;</span>;</span><br><span class="line">  std::vector&lt;std::set&lt;std::string&gt; &gt; <span class="built_in">file_vec</span>(<span class="built_in">GetParallelNum</span>());</span><br><span class="line">  <span class="type">int</span> index = <span class="number">0</span>;</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; file : file_set_) &#123;</span><br><span class="line">    file_vec[index++ % <span class="built_in">GetParallelNum</span>()].<span class="built_in">insert</span>(file);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">for</span> (<span class="type">int</span> i = <span class="number">0</span>; i &lt; <span class="built_in">GetParallelNum</span>(); i++) &#123;</span><br><span class="line">    work_threads_[i] = std::<span class="built_in">move</span>(std::<span class="built_in">thread</span>(&amp;RsyncClient::Copy, <span class="keyword">this</span>, file_vec[i], i));</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::string meta_file_path = <span class="built_in">GetLocalMetaFilePath</span>();</span><br><span class="line">  std::ofstream outfile;</span><br><span class="line">  outfile.<span class="built_in">open</span>(meta_file_path, std::ios_base::app);</span><br><span class="line">  std::string meta_rep;</span><br><span class="line">  <span class="type">uint64_t</span> start_time = pstd::<span class="built_in">NowMicros</span>();</span><br><span class="line"></span><br><span class="line">  <span class="keyword">while</span> (state_.<span class="built_in">load</span>() == RUNNING) &#123;</span><br><span class="line">    <span class="type">uint64_t</span> elapse = pstd::<span class="built_in">NowMicros</span>() - start_time;</span><br><span class="line">    <span class="keyword">if</span> (elapse &lt; kFlushIntervalUs) &#123;</span><br><span class="line">      <span class="type">int</span> wait_for_us = kFlushIntervalUs - elapse;</span><br><span class="line">      <span class="function">std::unique_lock&lt;std::mutex&gt; <span class="title">lock</span><span class="params">(mu_)</span></span>;</span><br><span class="line">      cond_.<span class="built_in">wait_for</span>(lock, std::chrono::<span class="built_in">microseconds</span>(wait_for_us));</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (state_.<span class="built_in">load</span>() != RUNNING) &#123;</span><br><span class="line">      <span class="keyword">break</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    start_time = pstd::<span class="built_in">NowMicros</span>();</span><br><span class="line">    std::map&lt;std::string, std::string&gt; files_map;</span><br><span class="line">    &#123;</span><br><span class="line">      <span class="function">std::lock_guard&lt;std::mutex&gt; <span class="title">guard</span><span class="params">(mu_)</span></span>;</span><br><span class="line">      files_map.<span class="built_in">swap</span>(meta_table_);</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; file : files_map) &#123;</span><br><span class="line">      meta_rep.<span class="built_in">append</span>(file.first + <span class="string">&quot;:&quot;</span> + file.second);</span><br><span class="line">      meta_rep.<span class="built_in">append</span>(<span class="string">&quot;\n&quot;</span>);</span><br><span class="line">    &#125;</span><br><span class="line">    outfile &lt;&lt; meta_rep;</span><br><span class="line">    outfile.<span class="built_in">flush</span>();</span><br><span class="line">    meta_rep.<span class="built_in">clear</span>();</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (finished_work_cnt_.<span class="built_in">load</span>() == <span class="built_in">GetParallelNum</span>()) &#123;</span><br><span class="line">      <span class="keyword">break</span>;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">for</span> (<span class="type">int</span> i = <span class="number">0</span>; i &lt; <span class="built_in">GetParallelNum</span>(); i++) &#123;</span><br><span class="line">    work_threads_[i].<span class="built_in">join</span>();</span><br><span class="line">  &#125;</span><br><span class="line">  finished_work_cnt_.<span class="built_in">store</span>(<span class="number">0</span>);</span><br><span class="line">  state_.<span class="built_in">store</span>(STOP);</span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;RsyncClient copy remote files done&quot;</span>;</span><br><span class="line">  <span class="keyword">return</span> <span class="literal">nullptr</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;rsync_client.cc</strong></p>
+<p>调用 <code>CopyRemoteFile</code> 去远程拉取文件</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">RsyncClient::Copy</span><span class="params">(<span class="type">const</span> std::set&lt;std::string&gt;&amp; file_set, <span class="type">int</span> index)</span> </span>&#123;</span><br><span class="line">  Status s = Status::<span class="built_in">OK</span>();</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; file : file_set) &#123;</span><br><span class="line">    <span class="keyword">while</span> (state_.<span class="built_in">load</span>() == RUNNING) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;copy remote file, filename: &quot;</span> &lt;&lt; file;</span><br><span class="line">      s = <span class="built_in">CopyRemoteFile</span>(file, index);</span><br><span class="line">      <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;copy remote file failed, msg: &quot;</span> &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">        <span class="keyword">continue</span>;</span><br><span class="line">      &#125;</span><br><span class="line">      <span class="keyword">break</span>;</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">if</span> (state_.<span class="built_in">load</span>() != RUNNING) &#123;</span><br><span class="line">      <span class="keyword">break</span>;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;work_thread index: &quot;</span> &lt;&lt; index &lt;&lt; <span class="string">&quot; copy remote files done&quot;</span>;</span><br><span class="line">  finished_work_cnt_.<span class="built_in">fetch_add</span>(<span class="number">1</span>);</span><br><span class="line">  cond_.<span class="built_in">notify_all</span>();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;rsync_client.cc</strong></p>
+<p>这里封装了请求 <code>RsyncRequest</code> ，发给 Master 端 <code>index</code>, <code>kRsyncFile</code> , <code>db_name</code> , <code>slot_id</code> , <code>filename</code> , <code>offset</code>, <code>count</code>. 在收到 Mastet 回包之后写到本地</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br><span class="line">85</span><br><span class="line">86</span><br><span class="line">87</span><br><span class="line">88</span><br><span class="line">89</span><br><span class="line">90</span><br><span class="line">91</span><br><span class="line">92</span><br><span class="line">93</span><br><span class="line">94</span><br><span class="line">95</span><br><span class="line">96</span><br><span class="line">97</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">RsyncClient::CopyRemoteFile</span><span class="params">(<span class="type">const</span> std::string&amp; filename, <span class="type">int</span> index)</span> </span>&#123;</span><br><span class="line">    <span class="type">const</span> std::string filepath = dir_ + <span class="string">&quot;/&quot;</span> + filename;</span><br><span class="line">    <span class="function">std::unique_ptr&lt;RsyncWriter&gt; <span class="title">writer</span><span class="params">(<span class="keyword">new</span> RsyncWriter(filepath))</span></span>;</span><br><span class="line">    Status s = Status::<span class="built_in">OK</span>();</span><br><span class="line">    <span class="type">size_t</span> offset = <span class="number">0</span>;</span><br><span class="line">    <span class="type">int</span> retries = <span class="number">0</span>;</span><br><span class="line"></span><br><span class="line">    DEFER &#123;</span><br><span class="line">      <span class="keyword">if</span> (writer) &#123;</span><br><span class="line">        writer-&gt;<span class="built_in">Close</span>();</span><br><span class="line">        writer.<span class="built_in">reset</span>();</span><br><span class="line">      &#125;</span><br><span class="line">      <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">        <span class="built_in">DeleteFile</span>(filepath);</span><br><span class="line">      &#125;</span><br><span class="line">    &#125;;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">while</span> (retries &lt; max_retries_) &#123;</span><br><span class="line">      <span class="keyword">if</span> (state_.<span class="built_in">load</span>() != RUNNING) &#123;</span><br><span class="line">        <span class="keyword">break</span>;</span><br><span class="line">        &#125;</span><br><span class="line">      <span class="type">size_t</span> copy_file_begin_time = pstd::<span class="built_in">NowMicros</span>();</span><br><span class="line">      <span class="type">size_t</span> count = Throttle::<span class="built_in">GetInstance</span>().<span class="built_in">ThrottledByThroughput</span>(kBytesPerRequest);</span><br><span class="line">      <span class="keyword">if</span> (count == <span class="number">0</span>) &#123;</span><br><span class="line">        std::this_thread::<span class="built_in">sleep_for</span>(std::chrono::<span class="built_in">milliseconds</span>(<span class="number">1000</span> / kThrottleCheckCycle));</span><br><span class="line">        <span class="keyword">continue</span>;</span><br><span class="line">      &#125;</span><br><span class="line">      RsyncRequest request;</span><br><span class="line">      request.<span class="built_in">set_reader_index</span>(index);</span><br><span class="line">      request.<span class="built_in">set_type</span>(kRsyncFile);</span><br><span class="line">      request.<span class="built_in">set_db_name</span>(db_name_);</span><br><span class="line">      request.<span class="built_in">set_slot_id</span>(slot_id_);</span><br><span class="line">      FileRequest* file_req = request.<span class="built_in">mutable_file_req</span>();</span><br><span class="line">      file_req-&gt;<span class="built_in">set_filename</span>(filename);</span><br><span class="line">      file_req-&gt;<span class="built_in">set_offset</span>(offset);</span><br><span class="line">      file_req-&gt;<span class="built_in">set_count</span>(count);</span><br><span class="line"></span><br><span class="line">      std::string to_send;</span><br><span class="line">      request.<span class="built_in">SerializeToString</span>(&amp;to_send);</span><br><span class="line">      WaitObject* wo = wo_mgr_-&gt;<span class="built_in">UpdateWaitObject</span>(index, filename, kRsyncFile, offset);</span><br><span class="line">      s = client_thread_-&gt;<span class="built_in">Write</span>(master_ip_, master_port_, to_send);</span><br><span class="line">      <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;send rsync request failed&quot;</span>;</span><br><span class="line">        <span class="keyword">continue</span>;</span><br><span class="line">      &#125;</span><br><span class="line"></span><br><span class="line">      std::shared_ptr&lt;RsyncResponse&gt; resp = <span class="literal">nullptr</span>;</span><br><span class="line">      s = wo-&gt;<span class="built_in">Wait</span>(resp);</span><br><span class="line">      <span class="keyword">if</span> (s.<span class="built_in">IsTimeout</span>() || resp == <span class="literal">nullptr</span>) &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;rsync request timeout&quot;</span>;</span><br><span class="line">        retries++;</span><br><span class="line">        <span class="keyword">continue</span>;</span><br><span class="line">      &#125;</span><br><span class="line"></span><br><span class="line">      <span class="type">size_t</span> ret_count = resp-&gt;<span class="built_in">file_resp</span>().<span class="built_in">count</span>();</span><br><span class="line">      <span class="type">size_t</span> elaspe_time_us = pstd::<span class="built_in">NowMicros</span>() - copy_file_begin_time;</span><br><span class="line">      Throttle::<span class="built_in">GetInstance</span>().<span class="built_in">ReturnUnusedThroughput</span>(count, ret_count, elaspe_time_us);</span><br><span class="line"></span><br><span class="line">      <span class="keyword">if</span> (resp-&gt;<span class="built_in">code</span>() != RsyncService::kOk) &#123;</span><br><span class="line">        <span class="comment">//<span class="doctag">TODO:</span> handle different error</span></span><br><span class="line">        <span class="keyword">continue</span>;</span><br><span class="line">      &#125;</span><br><span class="line"></span><br><span class="line">      <span class="keyword">if</span> (resp-&gt;<span class="built_in">snapshot_uuid</span>() != snapshot_uuid_) &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;receive newer dump, reset state to STOP, local_snapshot_uuid:&quot;</span></span><br><span class="line">                     &lt;&lt; snapshot_uuid_ &lt;&lt; <span class="string">&quot;remote snapshot uuid: &quot;</span> &lt;&lt; resp-&gt;<span class="built_in">snapshot_uuid</span>();</span><br><span class="line">        state_.<span class="built_in">store</span>(STOP);</span><br><span class="line">        <span class="keyword">return</span> s;</span><br><span class="line">      &#125;</span><br><span class="line"></span><br><span class="line">      s = writer-&gt;<span class="built_in">Write</span>((<span class="type">uint64_t</span>)offset, ret_count, resp-&gt;<span class="built_in">file_resp</span>().<span class="built_in">data</span>().<span class="built_in">c_str</span>());</span><br><span class="line">      <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;rsync client write file error&quot;</span>;</span><br><span class="line">        <span class="keyword">break</span>;</span><br><span class="line">      &#125;</span><br><span class="line"></span><br><span class="line">      offset += resp-&gt;<span class="built_in">file_resp</span>().<span class="built_in">count</span>();</span><br><span class="line">      <span class="keyword">if</span> (resp-&gt;<span class="built_in">file_resp</span>().<span class="built_in">eof</span>()) &#123;</span><br><span class="line">        s = writer-&gt;<span class="built_in">Fsync</span>();</span><br><span class="line">        <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">            <span class="keyword">return</span> s;</span><br><span class="line">        &#125;</span><br><span class="line">        s = writer-&gt;<span class="built_in">Close</span>();</span><br><span class="line">        <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">            <span class="keyword">return</span> s;</span><br><span class="line">        &#125;</span><br><span class="line">        writer.<span class="built_in">reset</span>();</span><br><span class="line">        mu_.<span class="built_in">lock</span>();</span><br><span class="line">        meta_table_[filename] = <span class="string">&quot;&quot;</span>;</span><br><span class="line">        mu_.<span class="built_in">unlock</span>();</span><br><span class="line">        <span class="keyword">break</span>;</span><br><span class="line">      &#125;</span><br><span class="line">      retries = <span class="number">0</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">return</span> s;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;rsync_server.cc</strong></p>
+<p>Master 将 <code>checksum</code> , <code>filename</code> , <code>bytes_read</code> , <code>offset</code>, <code>is_eof</code> , <code>buffer</code> 返回给 Slave</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">RsyncServerConn::HandleFileRsyncRequest</span><span class="params">(<span class="type">void</span>* arg)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;RsyncServerTaskArg&gt; <span class="title">task_arg</span><span class="params">(<span class="keyword">static_cast</span>&lt;RsyncServerTaskArg*&gt;(arg))</span></span>;</span><br><span class="line">  <span class="type">const</span> std::shared_ptr&lt;RsyncService::RsyncRequest&gt; req = task_arg-&gt;req;</span><br><span class="line">  std::shared_ptr&lt;RsyncServerConn&gt; conn = task_arg-&gt;conn;</span><br><span class="line"></span><br><span class="line">  <span class="type">uint32_t</span> slot_id = req-&gt;<span class="built_in">slot_id</span>();</span><br><span class="line">  std::string db_name = req-&gt;<span class="built_in">db_name</span>();</span><br><span class="line">  std::string filename = req-&gt;<span class="built_in">file_req</span>().<span class="built_in">filename</span>();</span><br><span class="line">  <span class="type">size_t</span> offset = req-&gt;<span class="built_in">file_req</span>().<span class="built_in">offset</span>();</span><br><span class="line">  <span class="type">size_t</span> count = req-&gt;<span class="built_in">file_req</span>().<span class="built_in">count</span>();</span><br><span class="line"></span><br><span class="line">  RsyncService::RsyncResponse response;</span><br><span class="line">  response.<span class="built_in">set_reader_index</span>(req-&gt;<span class="built_in">reader_index</span>());</span><br><span class="line">  response.<span class="built_in">set_code</span>(RsyncService::kOk);</span><br><span class="line">  response.<span class="built_in">set_type</span>(RsyncService::kRsyncFile);</span><br><span class="line">  response.<span class="built_in">set_db_name</span>(db_name);</span><br><span class="line">  response.<span class="built_in">set_slot_id</span>(slot_id);</span><br><span class="line"></span><br><span class="line">  std::string snapshot_uuid;</span><br><span class="line">  Status s = g_pika_server-&gt;<span class="built_in">GetDumpUUID</span>(db_name, slot_id, &amp;snapshot_uuid);</span><br><span class="line">  response.<span class="built_in">set_snapshot_uuid</span>(snapshot_uuid);</span><br><span class="line">  <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;rsyncserver get snapshotUUID failed&quot;</span>;</span><br><span class="line">    response.<span class="built_in">set_code</span>(RsyncService::kErr);</span><br><span class="line">    <span class="built_in">RsyncWriteResp</span>(response, conn);</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::shared_ptr&lt;Slot&gt; slot = g_pika_server-&gt;<span class="built_in">GetDBSlotById</span>(db_name, slot_id);</span><br><span class="line">  <span class="keyword">if</span> (!slot) &#123;</span><br><span class="line">   <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;cannot find slot for db_name: &quot;</span> &lt;&lt; db_name</span><br><span class="line">                &lt;&lt; <span class="string">&quot; slot_id: &quot;</span> &lt;&lt; slot_id;</span><br><span class="line">   response.<span class="built_in">set_code</span>(RsyncService::kErr);</span><br><span class="line">   <span class="built_in">RsyncWriteResp</span>(response, conn);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="type">const</span> std::string filepath = slot-&gt;<span class="built_in">bgsave_info</span>().path + <span class="string">&quot;/&quot;</span> + filename;</span><br><span class="line">  <span class="type">char</span>* buffer = <span class="keyword">new</span> <span class="type">char</span>[req-&gt;<span class="built_in">file_req</span>().<span class="built_in">count</span>() + <span class="number">1</span>];</span><br><span class="line">  <span class="type">size_t</span> bytes_read&#123;<span class="number">0</span>&#125;;</span><br><span class="line">  std::string checksum = <span class="string">&quot;&quot;</span>;</span><br><span class="line">  <span class="type">bool</span> is_eof = <span class="literal">false</span>;</span><br><span class="line">  std::shared_ptr&lt;RsyncReader&gt; reader = conn-&gt;readers_[req-&gt;<span class="built_in">reader_index</span>()];</span><br><span class="line">  s = reader-&gt;<span class="built_in">Read</span>(filepath, offset, count, buffer,</span><br><span class="line">                   &amp;bytes_read, &amp;checksum, &amp;is_eof);</span><br><span class="line">  <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    response.<span class="built_in">set_code</span>(RsyncService::kErr);</span><br><span class="line">    <span class="built_in">RsyncWriteResp</span>(response, conn);</span><br><span class="line">    <span class="keyword">delete</span> []buffer;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  RsyncService::FileResponse* file_resp = response.<span class="built_in">mutable_file_resp</span>();</span><br><span class="line">  file_resp-&gt;<span class="built_in">set_data</span>(buffer, bytes_read);</span><br><span class="line">  file_resp-&gt;<span class="built_in">set_eof</span>(is_eof);</span><br><span class="line">  file_resp-&gt;<span class="built_in">set_checksum</span>(checksum);</span><br><span class="line">  file_resp-&gt;<span class="built_in">set_filename</span>(filename);</span><br><span class="line">  file_resp-&gt;<span class="built_in">set_count</span>(bytes_read);</span><br><span class="line">  file_resp-&gt;<span class="built_in">set_offset</span>(offset);</span><br><span class="line"></span><br><span class="line">  <span class="built_in">RsyncWriteResp</span>(response, conn);</span><br><span class="line">  <span class="keyword">delete</span> []buffer;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>在获取到所有的远端文件之后，调用 <code>TryUpdateMasterOffset</code> </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplicaManager::RunSyncSlaveSlotStateMachine</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="function">std::shared_lock <span class="title">l</span><span class="params">(slots_rw_)</span></span>;</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; item : sync_slave_slots_) &#123;</span><br><span class="line">    SlotInfo p_info = item.first;</span><br><span class="line">    std::shared_ptr&lt;SyncSlaveSlot&gt; s_slot = item.second;</span><br><span class="line">    <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kTryConnect) &#123;</span><br><span class="line">      <span class="built_in">SendSlotTrySyncRequest</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kTryDBSync) &#123;</span><br><span class="line">      <span class="built_in">SendSlotDBSyncRequest</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kWaitReply) &#123;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kWaitDBSync) &#123;</span><br><span class="line">      s_slot-&gt;<span class="built_in">ActivateRsync</span>();</span><br><span class="line">      std::shared_ptr&lt;Slot&gt; slot =</span><br><span class="line">          g_pika_server-&gt;<span class="built_in">GetDBSlotById</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">      <span class="keyword">if</span> (slot) &#123;</span><br><span class="line">        <span class="keyword">if</span> (!s_slot-&gt;<span class="built_in">IsRsyncRunning</span>()) &#123;</span><br><span class="line">          slot-&gt;<span class="built_in">TryUpdateMasterOffset</span>();</span><br><span class="line">        &#125;</span><br><span class="line">      &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot not found, DB Name: &quot;</span> &lt;&lt; p_info.db_name_</span><br><span class="line">                     &lt;&lt; <span class="string">&quot; Slot Id: &quot;</span> &lt;&lt; p_info.slot_id_;</span><br><span class="line">      &#125;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kConnected || s_slot-&gt;<span class="built_in">State</span>() == ReplState::kNoConnect ||</span><br><span class="line">               s_slot-&gt;<span class="built_in">State</span>() == ReplState::kDBNoConnect) &#123;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> Status::<span class="built_in">OK</span>();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_slot.cc</strong></p>
+<p>这里调用 <code>ChaneDb</code> 将 <code>dbsync</code> 文件替换 <code>db</code> 文件夹，然后删除旧的 <code>db</code> 文件夹，然后将 <code>slot</code> 状态设置成 <code>kTryConnect</code>.</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br><span class="line">79</span><br><span class="line">80</span><br><span class="line">81</span><br><span class="line">82</span><br><span class="line">83</span><br><span class="line">84</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">bool</span> <span class="title">Slot::TryUpdateMasterOffset</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  std::string info_path = dbsync_path_ + kBgsaveInfoFile;</span><br><span class="line">  <span class="keyword">if</span> (!pstd::<span class="built_in">FileExists</span>(info_path)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;info path: &quot;</span> &lt;&lt; info_path &lt;&lt; <span class="string">&quot; not exist&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::shared_ptr&lt;SyncSlaveSlot&gt; slave_slot =</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">GetSyncSlaveSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name_, slot_id_));</span><br><span class="line">  <span class="keyword">if</span> (!slave_slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slave Slot: &quot;</span> &lt;&lt; slot_name_ &lt;&lt; <span class="string">&quot; not exist&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="comment">// Got new binlog offset</span></span><br><span class="line">  <span class="function">std::ifstream <span class="title">is</span><span class="params">(info_path)</span></span>;</span><br><span class="line">  <span class="keyword">if</span> (!is) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name_ &lt;&lt; <span class="string">&quot;, Failed to open info file after db sync&quot;</span>;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  std::string line;</span><br><span class="line">  std::string master_ip;</span><br><span class="line">  <span class="type">int</span> lineno = <span class="number">0</span>;</span><br><span class="line">  <span class="type">int64_t</span> filenum = <span class="number">0</span>;</span><br><span class="line">  <span class="type">int64_t</span> offset = <span class="number">0</span>;</span><br><span class="line">  <span class="type">int64_t</span> term = <span class="number">0</span>;</span><br><span class="line">  <span class="type">int64_t</span> index = <span class="number">0</span>;</span><br><span class="line">  <span class="type">int64_t</span> tmp = <span class="number">0</span>;</span><br><span class="line">  <span class="type">int64_t</span> master_port = <span class="number">0</span>;</span><br><span class="line">  <span class="keyword">while</span> (std::<span class="built_in">getline</span>(is, line)) &#123;</span><br><span class="line">    lineno++;</span><br><span class="line">    <span class="keyword">if</span> (lineno == <span class="number">2</span>) &#123;</span><br><span class="line">      master_ip = line;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (lineno &gt; <span class="number">2</span> &amp;&amp; lineno &lt; <span class="number">8</span>) &#123;</span><br><span class="line">      <span class="keyword">if</span> ((pstd::<span class="built_in">string2int</span>(line.<span class="built_in">data</span>(), line.<span class="built_in">size</span>(), &amp;tmp) == <span class="number">0</span>) || tmp &lt; <span class="number">0</span>) &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name_</span><br><span class="line">                     &lt;&lt; <span class="string">&quot;, Format of info file after db sync error, line : &quot;</span> &lt;&lt; line;</span><br><span class="line">        is.<span class="built_in">close</span>();</span><br><span class="line">        slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">        <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">      &#125;</span><br><span class="line">      <span class="keyword">if</span> (lineno == <span class="number">3</span>) &#123;</span><br><span class="line">        master_port = tmp;</span><br><span class="line">      &#125; <span class="keyword">else</span> <span class="keyword">if</span> (lineno == <span class="number">4</span>) &#123;</span><br><span class="line">        filenum = tmp;</span><br><span class="line">      &#125; <span class="keyword">else</span> <span class="keyword">if</span> (lineno == <span class="number">5</span>) &#123;</span><br><span class="line">        offset = tmp;</span><br><span class="line">      &#125; <span class="keyword">else</span> <span class="keyword">if</span> (lineno == <span class="number">6</span>) &#123;</span><br><span class="line">        term = tmp;</span><br><span class="line">      &#125; <span class="keyword">else</span> <span class="keyword">if</span> (lineno == <span class="number">7</span>) &#123;</span><br><span class="line">        index = tmp;</span><br><span class="line">      &#125;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (lineno &gt; <span class="number">8</span>) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name_ &lt;&lt; <span class="string">&quot;, Format of info file after db sync error, line : &quot;</span> &lt;&lt; line;</span><br><span class="line">      is.<span class="built_in">close</span>();</span><br><span class="line">      slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">      <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  is.<span class="built_in">close</span>();</span><br><span class="line"></span><br><span class="line">  <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name_ &lt;&lt; <span class="string">&quot; Information from dbsync info&quot;</span></span><br><span class="line">            &lt;&lt; <span class="string">&quot;,  master_ip: &quot;</span> &lt;&lt; master_ip &lt;&lt; <span class="string">&quot;, master_port: &quot;</span> &lt;&lt; master_port &lt;&lt; <span class="string">&quot;, filenum: &quot;</span> &lt;&lt; filenum</span><br><span class="line">            &lt;&lt; <span class="string">&quot;, offset: &quot;</span> &lt;&lt; offset &lt;&lt; <span class="string">&quot;, term: &quot;</span> &lt;&lt; term &lt;&lt; <span class="string">&quot;, index: &quot;</span> &lt;&lt; index;</span><br><span class="line"></span><br><span class="line">  pstd::<span class="built_in">DeleteFile</span>(info_path);</span><br><span class="line">  <span class="keyword">if</span> (!<span class="built_in">ChangeDb</span>(dbsync_path_)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name_ &lt;&lt; <span class="string">&quot;, Failed to change db&quot;</span>;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="comment">// Update master offset</span></span><br><span class="line">  std::shared_ptr&lt;SyncMasterSlot&gt; master_slot =</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">GetSyncMasterSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name_, slot_id_));</span><br><span class="line">  <span class="keyword">if</span> (!master_slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Master Slot: &quot;</span> &lt;&lt; slot_name_ &lt;&lt; <span class="string">&quot; not exist&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  master_slot-&gt;<span class="built_in">Logger</span>()-&gt;<span class="built_in">SetProducerStatus</span>(filenum, offset);</span><br><span class="line">  slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kTryConnect);</span><br><span class="line">  <span class="keyword">return</span> <span class="literal">true</span>;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>由于 <code>slot</code> 状态变更成了 <code>kTryConnect</code>， 这里调用 <code>SendSlotTrySyncRequest</code></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplicaManager::RunSyncSlaveSlotStateMachine</span><span class="params">()</span> </span>&#123;</span><br><span class="line">  <span class="function">std::shared_lock <span class="title">l</span><span class="params">(slots_rw_)</span></span>;</span><br><span class="line">  <span class="keyword">for</span> (<span class="type">const</span> <span class="keyword">auto</span>&amp; item : sync_slave_slots_) &#123;</span><br><span class="line">    SlotInfo p_info = item.first;</span><br><span class="line">    std::shared_ptr&lt;SyncSlaveSlot&gt; s_slot = item.second;</span><br><span class="line">    <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kTryConnect) &#123;</span><br><span class="line">      <span class="built_in">SendSlotTrySyncRequest</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kTryDBSync) &#123;</span><br><span class="line">      <span class="built_in">SendSlotDBSyncRequest</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kWaitReply) &#123;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kWaitDBSync) &#123;</span><br><span class="line">      s_slot-&gt;<span class="built_in">ActivateRsync</span>();</span><br><span class="line">      std::shared_ptr&lt;Slot&gt; slot =</span><br><span class="line">          g_pika_server-&gt;<span class="built_in">GetDBSlotById</span>(p_info.db_name_, p_info.slot_id_);</span><br><span class="line">      <span class="keyword">if</span> (slot) &#123;</span><br><span class="line">        <span class="keyword">if</span> (!s_slot-&gt;<span class="built_in">IsRsyncRunning</span>()) &#123;</span><br><span class="line">          slot-&gt;<span class="built_in">TryUpdateMasterOffset</span>();</span><br><span class="line">        &#125;</span><br><span class="line">      &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot not found, DB Name: &quot;</span> &lt;&lt; p_info.db_name_</span><br><span class="line">                     &lt;&lt; <span class="string">&quot; Slot Id: &quot;</span> &lt;&lt; p_info.slot_id_;</span><br><span class="line">      &#125;</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (s_slot-&gt;<span class="built_in">State</span>() == ReplState::kConnected || s_slot-&gt;<span class="built_in">State</span>() == ReplState::kNoConnect ||</span><br><span class="line">               s_slot-&gt;<span class="built_in">State</span>() == ReplState::kDBNoConnect) &#123;</span><br><span class="line">      <span class="keyword">continue</span>;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> Status::<span class="built_in">OK</span>();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_rm.cc</strong></p>
+<p>这里调用 <code>SendSlotTrySync</code></p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplicaManager::SendSlotTrySyncRequest</span><span class="params">(<span class="type">const</span> std::string&amp; db_name, <span class="type">size_t</span> slot_id)</span> </span>&#123;</span><br><span class="line">  BinlogOffset boffset;</span><br><span class="line">  <span class="keyword">if</span> (!g_pika_server-&gt;<span class="built_in">GetDBSlotBinlogOffset</span>(db_name, slot_id, &amp;boffset)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot;,  Get Slot binlog offset failed&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Slot get binlog offset error&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::shared_ptr&lt;SyncSlaveSlot&gt; slave_slot =</span><br><span class="line">      <span class="built_in">GetSyncSlaveSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name, slot_id));</span><br><span class="line">  <span class="keyword">if</span> (!slave_slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slave Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot;, NotFound&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Slave Slot not found&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  Status status =</span><br><span class="line">      pika_repl_client_-&gt;<span class="built_in">SendSlotTrySync</span>(slave_slot-&gt;<span class="built_in">MasterIp</span>(), slave_slot-&gt;<span class="built_in">MasterPort</span>(), db_name,</span><br><span class="line">                                              slot_id, boffset, slave_slot-&gt;<span class="built_in">LocalIp</span>());</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (status.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kWaitReply);</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;SendSlotTrySyncRequest failed &quot;</span> &lt;&lt; status.<span class="built_in">ToString</span>();</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> status;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_client.cc</strong></p>
+<p><code>kTrySync</code>,设置了 <code>Binlog_offset</code> 发送给 Master</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br></pre></td><td class="code"><pre><span class="line"><span class="function">Status <span class="title">PikaReplClient::SendSlotTrySync</span><span class="params">(<span class="type">const</span> std::string&amp; ip, <span class="type">uint32_t</span> port, <span class="type">const</span> std::string&amp; db_name,</span></span></span><br><span class="line"><span class="params"><span class="function">                                            <span class="type">uint32_t</span> slot_id, <span class="type">const</span> BinlogOffset&amp; boffset,</span></span></span><br><span class="line"><span class="params"><span class="function">                                            <span class="type">const</span> std::string&amp; local_ip)</span> </span>&#123;</span><br><span class="line">  InnerMessage::InnerRequest request;</span><br><span class="line">  request.<span class="built_in">set_type</span>(InnerMessage::kTrySync);</span><br><span class="line">  InnerMessage::InnerRequest::TrySync* try_sync = request.<span class="built_in">mutable_try_sync</span>();</span><br><span class="line">  InnerMessage::Node* node = try_sync-&gt;<span class="built_in">mutable_node</span>();</span><br><span class="line">  node-&gt;<span class="built_in">set_ip</span>(local_ip);</span><br><span class="line">  node-&gt;<span class="built_in">set_port</span>(g_pika_server-&gt;<span class="built_in">port</span>());</span><br><span class="line">  InnerMessage::Slot* slot = try_sync-&gt;<span class="built_in">mutable_slot</span>();</span><br><span class="line">  slot-&gt;<span class="built_in">set_db_name</span>(db_name);</span><br><span class="line">  slot-&gt;<span class="built_in">set_slot_id</span>(slot_id);</span><br><span class="line"></span><br><span class="line">  InnerMessage::BinlogOffset* binlog_offset = try_sync-&gt;<span class="built_in">mutable_binlog_offset</span>();</span><br><span class="line">  binlog_offset-&gt;<span class="built_in">set_filenum</span>(boffset.filenum);</span><br><span class="line">  binlog_offset-&gt;<span class="built_in">set_offset</span>(boffset.offset);</span><br><span class="line"></span><br><span class="line">  std::string to_send;</span><br><span class="line">  <span class="keyword">if</span> (!request.<span class="built_in">SerializeToString</span>(&amp;to_send)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Serialize Slot TrySync Request Failed, to Master (&quot;</span> &lt;&lt; ip &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; port &lt;&lt; <span class="string">&quot;)&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span> Status::<span class="built_in">Corruption</span>(<span class="string">&quot;Serialize Failed&quot;</span>);</span><br><span class="line">  &#125;</span><br><span class="line">  <span class="keyword">return</span> client_thread_-&gt;<span class="built_in">Write</span>(ip, <span class="built_in">static_cast</span>&lt;<span class="type">int32_t</span>&gt;(port + kPortShiftReplServer), to_send);</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_server_conn.cc</strong></p>
+<p>调用<code>TrySyncConsensusOffsetCheck</code> 查看是否需要进行全量同步</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaReplServerConn::HandleTrySyncRequest</span><span class="params">(<span class="type">void</span>* arg)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;ReplServerTaskArg&gt; <span class="title">task_arg</span><span class="params">(<span class="keyword">static_cast</span>&lt;ReplServerTaskArg*&gt;(arg))</span></span>;</span><br><span class="line">  <span class="type">const</span> std::shared_ptr&lt;InnerMessage::InnerRequest&gt; req = task_arg-&gt;req;</span><br><span class="line">  std::shared_ptr&lt;net::PbConn&gt; conn = task_arg-&gt;conn;</span><br><span class="line"></span><br><span class="line">  InnerMessage::InnerRequest::TrySync try_sync_request = req-&gt;<span class="built_in">try_sync</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::Slot&amp; slot_request = try_sync_request.<span class="built_in">slot</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::BinlogOffset&amp; slave_boffset = try_sync_request.<span class="built_in">binlog_offset</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::Node&amp; node = try_sync_request.<span class="built_in">node</span>();</span><br><span class="line">  std::string db_name = slot_request.<span class="built_in">db_name</span>();</span><br><span class="line">  <span class="type">uint32_t</span> slot_id = slot_request.<span class="built_in">slot_id</span>();</span><br><span class="line">  std::string slot_name;</span><br><span class="line"></span><br><span class="line">  InnerMessage::InnerResponse response;</span><br><span class="line">  InnerMessage::InnerResponse::TrySync* try_sync_response = response.<span class="built_in">mutable_try_sync</span>();</span><br><span class="line">  try_sync_response-&gt;<span class="built_in">set_reply_code</span>(InnerMessage::InnerResponse::TrySync::kError);</span><br><span class="line">  InnerMessage::Slot* slot_response = try_sync_response-&gt;<span class="built_in">mutable_slot</span>();</span><br><span class="line">  slot_response-&gt;<span class="built_in">set_db_name</span>(db_name);</span><br><span class="line">  slot_response-&gt;<span class="built_in">set_slot_id</span>(slot_id);</span><br><span class="line"></span><br><span class="line">  <span class="type">bool</span> pre_success = <span class="literal">true</span>;</span><br><span class="line">  response.<span class="built_in">set_type</span>(InnerMessage::Type::kTrySync);</span><br><span class="line">  std::shared_ptr&lt;SyncMasterSlot&gt; slot =</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">GetSyncMasterSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name, slot_id));</span><br><span class="line">  <span class="keyword">if</span> (!slot) &#123;</span><br><span class="line">    response.<span class="built_in">set_code</span>(InnerMessage::kError);</span><br><span class="line">    response.<span class="built_in">set_reply</span>(<span class="string">&quot;Slot not found&quot;</span>);</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;DB Name: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot; Slot ID: &quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot; Not Found, TrySync Error&quot;</span>;</span><br><span class="line">    pre_success = <span class="literal">false</span>;</span><br><span class="line">  &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">    slot_name = slot-&gt;<span class="built_in">SlotName</span>();</span><br><span class="line">    <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Receive Trysync, Slave ip: &quot;</span> &lt;&lt; node.<span class="built_in">ip</span>() &lt;&lt; <span class="string">&quot;, Slave port:&quot;</span> &lt;&lt; node.<span class="built_in">port</span>()</span><br><span class="line">              &lt;&lt; <span class="string">&quot;, Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot;, filenum: &quot;</span> &lt;&lt; slave_boffset.<span class="built_in">filenum</span>()</span><br><span class="line">              &lt;&lt; <span class="string">&quot;, pro_offset: &quot;</span> &lt;&lt; slave_boffset.<span class="built_in">offset</span>();</span><br><span class="line">    response.<span class="built_in">set_code</span>(InnerMessage::kOk);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (pre_success &amp;&amp; req-&gt;<span class="built_in">has_consensus_meta</span>()) &#123;</span><br><span class="line">    <span class="keyword">if</span> (slot-&gt;<span class="built_in">GetNumberOfSlaveNode</span>() &gt;= g_pika_conf-&gt;<span class="built_in">replication_num</span>() &amp;&amp;</span><br><span class="line">        !slot-&gt;<span class="built_in">CheckSlaveNodeExist</span>(node.<span class="built_in">ip</span>(), node.<span class="built_in">port</span>())) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Current replication num: &quot;</span> &lt;&lt; slot-&gt;<span class="built_in">GetNumberOfSlaveNode</span>()</span><br><span class="line">                   &lt;&lt; <span class="string">&quot; hits configuration replication-num &quot;</span> &lt;&lt; g_pika_conf-&gt;<span class="built_in">replication_num</span>() &lt;&lt; <span class="string">&quot; stop trysync.&quot;</span>;</span><br><span class="line">      pre_success = <span class="literal">false</span>;</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">if</span> (pre_success) &#123;</span><br><span class="line">      <span class="type">const</span> InnerMessage::ConsensusMeta&amp; meta = req-&gt;<span class="built_in">consensus_meta</span>();</span><br><span class="line">      <span class="comment">// need to response to outdated pb, new follower count on this response to update term</span></span><br><span class="line">      <span class="keyword">if</span> (meta.<span class="built_in">term</span>() &gt; slot-&gt;<span class="built_in">ConsensusTerm</span>()) &#123;</span><br><span class="line">        <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Update &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; term from &quot;</span> &lt;&lt; slot-&gt;<span class="built_in">ConsensusTerm</span>() &lt;&lt; <span class="string">&quot; to &quot;</span></span><br><span class="line">                  &lt;&lt; meta.<span class="built_in">term</span>();</span><br><span class="line">        slot-&gt;<span class="built_in">ConsensusUpdateTerm</span>(meta.<span class="built_in">term</span>());</span><br><span class="line">      &#125;</span><br><span class="line">    &#125;</span><br><span class="line">    <span class="keyword">if</span> (pre_success) &#123;</span><br><span class="line">      pre_success = <span class="built_in">TrySyncConsensusOffsetCheck</span>(slot, req-&gt;<span class="built_in">consensus_meta</span>(), &amp;response, try_sync_response);</span><br><span class="line">    &#125;</span><br><span class="line">  &#125; <span class="keyword">else</span> <span class="keyword">if</span> (pre_success) &#123;</span><br><span class="line">    pre_success = <span class="built_in">TrySyncOffsetCheck</span>(slot, try_sync_request, try_sync_response);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (pre_success) &#123;</span><br><span class="line">    pre_success = <span class="built_in">TrySyncUpdateSlaveNode</span>(slot, try_sync_request, conn, try_sync_response);</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::string reply_str;</span><br><span class="line">  <span class="keyword">if</span> (!response.<span class="built_in">SerializeToString</span>(&amp;reply_str) || (conn-&gt;<span class="built_in">WriteResp</span>(reply_str) != <span class="number">0</span>)) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Handle Try Sync Failed&quot;</span>;</span><br><span class="line">    conn-&gt;<span class="built_in">NotifyClose</span>();</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line">  conn-&gt;<span class="built_in">NotifyWrite</span>();</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_server_conn.cc</strong></p>
+<p>将 <code>set_reply_code</code> 返回给 Master </p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">bool</span> <span class="title">PikaReplServerConn::TrySyncConsensusOffsetCheck</span><span class="params">(<span class="type">const</span> std::shared_ptr&lt;SyncMasterSlot&gt;&amp; slot,</span></span></span><br><span class="line"><span class="params"><span class="function">                                                     <span class="type">const</span> InnerMessage::ConsensusMeta&amp; meta,</span></span></span><br><span class="line"><span class="params"><span class="function">                                                     InnerMessage::InnerResponse* response,</span></span></span><br><span class="line"><span class="params"><span class="function">                                                     InnerMessage::InnerResponse::TrySync* try_sync_response)</span> </span>&#123;</span><br><span class="line">  LogOffset last_log_offset;</span><br><span class="line">  last_log_offset.b_offset.filenum = meta.<span class="built_in">log_offset</span>().<span class="built_in">filenum</span>();</span><br><span class="line">  last_log_offset.b_offset.offset = meta.<span class="built_in">log_offset</span>().<span class="built_in">offset</span>();</span><br><span class="line">  last_log_offset.l_offset.term = meta.<span class="built_in">log_offset</span>().<span class="built_in">term</span>();</span><br><span class="line">  last_log_offset.l_offset.index = meta.<span class="built_in">log_offset</span>().<span class="built_in">index</span>();</span><br><span class="line">  std::string slot_name = slot-&gt;<span class="built_in">SlotName</span>();</span><br><span class="line">  <span class="type">bool</span> reject = <span class="literal">false</span>;</span><br><span class="line">  std::vector&lt;LogOffset&gt; hints;</span><br><span class="line">  Status s = slot-&gt;<span class="built_in">ConsensusLeaderNegotiate</span>(last_log_offset, &amp;reject, &amp;hints);</span><br><span class="line">  <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">    <span class="keyword">if</span> (s.<span class="built_in">IsNotFound</span>()) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; need full sync&quot;</span>;</span><br><span class="line">      try_sync_response-&gt;<span class="built_in">set_reply_code</span>(InnerMessage::InnerResponse::TrySync::kSyncPointBePurged);</span><br><span class="line">      <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">    &#125; <span class="keyword">else</span> &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot:&quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; error &quot;</span> &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">      try_sync_response-&gt;<span class="built_in">set_reply_code</span>(InnerMessage::InnerResponse::TrySync::kError);</span><br><span class="line">      <span class="keyword">return</span> <span class="literal">false</span>;</span><br><span class="line">    &#125;</span><br><span class="line">  &#125;</span><br><span class="line">  try_sync_response-&gt;<span class="built_in">set_reply_code</span>(InnerMessage::InnerResponse::TrySync::kOk);</span><br><span class="line">  <span class="type">uint32_t</span> term = slot-&gt;<span class="built_in">ConsensusTerm</span>();</span><br><span class="line">  <span class="built_in">BuildConsensusMeta</span>(reject, hints, term, response);</span><br><span class="line">  <span class="keyword">return</span> !reject;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
+
+
+
+<p><strong>src&#x2F;pika_repl_client_conn.cc</strong></p>
+<p>根据 Master 的返回值去更新 <code>slave_slot</code> 的状态，如果成功置为 <code>kConnected</code> ，至此全量同步完成</p>
+<figure class="highlight cpp"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br><span class="line">64</span><br><span class="line">65</span><br><span class="line">66</span><br><span class="line">67</span><br><span class="line">68</span><br><span class="line">69</span><br><span class="line">70</span><br><span class="line">71</span><br><span class="line">72</span><br><span class="line">73</span><br><span class="line">74</span><br><span class="line">75</span><br><span class="line">76</span><br><span class="line">77</span><br><span class="line">78</span><br></pre></td><td class="code"><pre><span class="line"><span class="function"><span class="type">void</span> <span class="title">PikaReplClientConn::HandleTrySyncResponse</span><span class="params">(<span class="type">void</span>* arg)</span> </span>&#123;</span><br><span class="line">  <span class="function">std::unique_ptr&lt;ReplClientTaskArg&gt; <span class="title">task_arg</span><span class="params">(<span class="keyword">static_cast</span>&lt;ReplClientTaskArg*&gt;(arg))</span></span>;</span><br><span class="line">  std::shared_ptr&lt;net::PbConn&gt; conn = task_arg-&gt;conn;</span><br><span class="line">  std::shared_ptr&lt;InnerMessage::InnerResponse&gt; response = task_arg-&gt;res;</span><br><span class="line"></span><br><span class="line">  <span class="keyword">if</span> (response-&gt;<span class="built_in">code</span>() != InnerMessage::kOk) &#123;</span><br><span class="line">    std::string reply = response-&gt;<span class="built_in">has_reply</span>() ? response-&gt;<span class="built_in">reply</span>() : <span class="string">&quot;&quot;</span>;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;TrySync Failed: &quot;</span> &lt;&lt; reply;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  <span class="type">const</span> InnerMessage::InnerResponse_TrySync&amp; try_sync_response = response-&gt;<span class="built_in">try_sync</span>();</span><br><span class="line">  <span class="type">const</span> InnerMessage::Slot&amp; slot_response = try_sync_response.<span class="built_in">slot</span>();</span><br><span class="line">  std::string db_name = slot_response.<span class="built_in">db_name</span>();</span><br><span class="line">  <span class="type">uint32_t</span> slot_id = slot_response.<span class="built_in">slot_id</span>();</span><br><span class="line">  std::shared_ptr&lt;SyncMasterSlot&gt; slot =</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">GetSyncMasterSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name, slot_id));</span><br><span class="line">  <span class="keyword">if</span> (!slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot; Not Found&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::shared_ptr&lt;SyncSlaveSlot&gt; slave_slot =</span><br><span class="line">      g_pika_rm-&gt;<span class="built_in">GetSyncSlaveSlotByName</span>(<span class="built_in">SlotInfo</span>(db_name, slot_id));</span><br><span class="line">  <span class="keyword">if</span> (!slave_slot) &#123;</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slave Slot: &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot; Not Found&quot;</span>;</span><br><span class="line">    <span class="keyword">return</span>;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  LogicOffset logic_last_offset;</span><br><span class="line">  <span class="keyword">if</span> (response-&gt;<span class="built_in">has_consensus_meta</span>()) &#123;</span><br><span class="line">    <span class="type">const</span> InnerMessage::ConsensusMeta&amp; meta = response-&gt;<span class="built_in">consensus_meta</span>();</span><br><span class="line">    <span class="keyword">if</span> (meta.<span class="built_in">term</span>() &gt; slot-&gt;<span class="built_in">ConsensusTerm</span>()) &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Update &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id &lt;&lt; <span class="string">&quot; term from &quot;</span> &lt;&lt; slot-&gt;<span class="built_in">ConsensusTerm</span>()</span><br><span class="line">                &lt;&lt; <span class="string">&quot; to &quot;</span> &lt;&lt; meta.<span class="built_in">term</span>();</span><br><span class="line">      slot-&gt;<span class="built_in">ConsensusUpdateTerm</span>(meta.<span class="built_in">term</span>());</span><br><span class="line">    &#125; <span class="keyword">else</span> <span class="keyword">if</span> (meta.<span class="built_in">term</span>() &lt; slot-&gt;<span class="built_in">ConsensusTerm</span>()) <span class="comment">/*outdated pb*/</span> &#123;</span><br><span class="line">      <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Drop outdated trysync response &quot;</span> &lt;&lt; db_name &lt;&lt; <span class="string">&quot;:&quot;</span> &lt;&lt; slot_id</span><br><span class="line">                   &lt;&lt; <span class="string">&quot; recv term: &quot;</span> &lt;&lt; meta.<span class="built_in">term</span>() &lt;&lt; <span class="string">&quot; local term: &quot;</span> &lt;&lt; slot-&gt;<span class="built_in">ConsensusTerm</span>();</span><br><span class="line">      <span class="keyword">return</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    <span class="keyword">if</span> (response-&gt;<span class="built_in">consensus_meta</span>().<span class="built_in">reject</span>()) &#123;</span><br><span class="line">      Status s = <span class="built_in">TrySyncConsensusCheck</span>(response-&gt;<span class="built_in">consensus_meta</span>(), slot, slave_slot);</span><br><span class="line">      <span class="keyword">if</span> (!s.<span class="built_in">ok</span>()) &#123;</span><br><span class="line">        slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">        <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Consensus Check failed &quot;</span> &lt;&lt; s.<span class="built_in">ToString</span>();</span><br><span class="line">      &#125;</span><br><span class="line">      <span class="keyword">return</span>;</span><br><span class="line">    &#125;</span><br><span class="line"></span><br><span class="line">    logic_last_offset = slot-&gt;<span class="built_in">ConsensusLastIndex</span>().l_offset;</span><br><span class="line">  &#125;</span><br><span class="line"></span><br><span class="line">  std::string slot_name = slot-&gt;<span class="built_in">SlotName</span>();</span><br><span class="line">  <span class="keyword">if</span> (try_sync_response.<span class="built_in">reply_code</span>() == InnerMessage::InnerResponse::TrySync::kOk) &#123;</span><br><span class="line">    BinlogOffset boffset;</span><br><span class="line">    <span class="type">int32_t</span> session_id = try_sync_response.<span class="built_in">session_id</span>();</span><br><span class="line">    slot-&gt;<span class="built_in">Logger</span>()-&gt;<span class="built_in">GetProducerStatus</span>(&amp;boffset.filenum, &amp;boffset.offset);</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetMasterSessionId</span>(session_id);</span><br><span class="line">    <span class="function">LogOffset <span class="title">offset</span><span class="params">(boffset, logic_last_offset)</span></span>;</span><br><span class="line">    g_pika_rm-&gt;<span class="built_in">SendSlotBinlogSyncAckRequest</span>(db_name, slot_id, offset, offset, <span class="literal">true</span>);</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kConnected);</span><br><span class="line">    <span class="comment">// after connected, update receive time first to avoid connection timeout</span></span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetLastRecvTime</span>(pstd::<span class="built_in">NowMicros</span>());</span><br><span class="line"></span><br><span class="line">    <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; TrySync Ok&quot;</span>;</span><br><span class="line">  &#125; <span class="keyword">else</span> <span class="keyword">if</span> (try_sync_response.<span class="built_in">reply_code</span>() == InnerMessage::InnerResponse::TrySync::kSyncPointBePurged) &#123;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kTryDBSync);</span><br><span class="line">    <span class="built_in">LOG</span>(INFO) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; Need To Try DBSync&quot;</span>;</span><br><span class="line">  &#125; <span class="keyword">else</span> <span class="keyword">if</span> (try_sync_response.<span class="built_in">reply_code</span>() == InnerMessage::InnerResponse::TrySync::kSyncPointLarger) &#123;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; TrySync Error, Because the invalid filenum and offset&quot;</span>;</span><br><span class="line">  &#125; <span class="keyword">else</span> <span class="keyword">if</span> (try_sync_response.<span class="built_in">reply_code</span>() == InnerMessage::InnerResponse::TrySync::kError) &#123;</span><br><span class="line">    slave_slot-&gt;<span class="built_in">SetReplState</span>(ReplState::kError);</span><br><span class="line">    <span class="built_in">LOG</span>(WARNING) &lt;&lt; <span class="string">&quot;Slot: &quot;</span> &lt;&lt; slot_name &lt;&lt; <span class="string">&quot; TrySync Error&quot;</span>;</span><br><span class="line">  &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>
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diff --git a/archives/2023/04/index.html b/archives/2023/04/index.html
index c19a267..8ec5f07 100644
--- a/archives/2023/04/index.html
+++ b/archives/2023/04/index.html
@@ -165,6 +165,10 @@ <h3 class="widget-title">Recent Posts</h3>
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       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -181,10 +185,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/07/index.html b/archives/2023/07/index.html
index 47a4e64..8b50b67 100644
--- a/archives/2023/07/index.html
+++ b/archives/2023/07/index.html
@@ -222,6 +222,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -238,10 +242,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/08/index.html b/archives/2023/08/index.html
index ef62b89..b7fc28b 100644
--- a/archives/2023/08/index.html
+++ b/archives/2023/08/index.html
@@ -260,6 +260,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -276,10 +280,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/09/index.html b/archives/2023/09/index.html
index e63d6d9..34a9a14 100644
--- a/archives/2023/09/index.html
+++ b/archives/2023/09/index.html
@@ -146,6 +146,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -162,10 +166,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/10/index.html b/archives/2023/10/index.html
index 3e935f3..102acc8 100644
--- a/archives/2023/10/index.html
+++ b/archives/2023/10/index.html
@@ -184,6 +184,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -200,10 +204,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/11/index.html b/archives/2023/11/index.html
index a1a2faf..6f778c9 100644
--- a/archives/2023/11/index.html
+++ b/archives/2023/11/index.html
@@ -203,6 +203,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -219,10 +223,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/12/index.html b/archives/2023/12/index.html
index c79e2f1..d0f0bdf 100644
--- a/archives/2023/12/index.html
+++ b/archives/2023/12/index.html
@@ -165,6 +165,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -181,10 +185,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/index.html b/archives/2023/index.html
index 45177f8..3b02800 100644
--- a/archives/2023/index.html
+++ b/archives/2023/index.html
@@ -322,6 +322,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -338,10 +342,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/page/2/index.html b/archives/2023/page/2/index.html
index 3eec2c5..3906b97 100644
--- a/archives/2023/page/2/index.html
+++ b/archives/2023/page/2/index.html
@@ -322,6 +322,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -338,10 +342,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2023/page/3/index.html b/archives/2023/page/3/index.html
index 6405d91..c72eb2f 100644
--- a/archives/2023/page/3/index.html
+++ b/archives/2023/page/3/index.html
@@ -208,6 +208,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -224,10 +228,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2024/01/index.html b/archives/2024/01/index.html
index 463c434..fbb7f77 100644
--- a/archives/2024/01/index.html
+++ b/archives/2024/01/index.html
@@ -82,6 +82,25 @@ <h1 id="logo-wrap">
         </div>
         <div class="archives">
     
+    <article class="archive-article archive-type-post">
+  <div class="archive-article-inner">
+    <header class="archive-article-header">
+      <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/" class="archive-article-date">
+  <time class="dt-published" datetime="2024-01-09T09:03:43.333Z" itemprop="datePublished">Jan 9</time>
+</a>
+      
+  
+    <h1 itemprop="name">
+      <a class="archive-article-title" href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+    </h1>
+  
+
+    </header>
+  </div>
+</article>
+  
+    
+    
     <article class="archive-article archive-type-post">
   <div class="archive-article-inner">
     <header class="archive-article-header">
@@ -146,6 +165,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -162,10 +185,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/2024/index.html b/archives/2024/index.html
index bce93a0..231ff3a 100644
--- a/archives/2024/index.html
+++ b/archives/2024/index.html
@@ -82,6 +82,25 @@ <h1 id="logo-wrap">
         </div>
         <div class="archives">
     
+    <article class="archive-article archive-type-post">
+  <div class="archive-article-inner">
+    <header class="archive-article-header">
+      <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/" class="archive-article-date">
+  <time class="dt-published" datetime="2024-01-09T09:03:43.333Z" itemprop="datePublished">Jan 9</time>
+</a>
+      
+  
+    <h1 itemprop="name">
+      <a class="archive-article-title" href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+    </h1>
+  
+
+    </header>
+  </div>
+</article>
+  
+    
+    
     <article class="archive-article archive-type-post">
   <div class="archive-article-inner">
     <header class="archive-article-header">
@@ -146,6 +165,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -162,10 +185,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/index.html b/archives/index.html
index 9e81653..070c830 100644
--- a/archives/index.html
+++ b/archives/index.html
@@ -82,6 +82,25 @@ <h1 id="logo-wrap">
         </div>
         <div class="archives">
     
+    <article class="archive-article archive-type-post">
+  <div class="archive-article-inner">
+    <header class="archive-article-header">
+      <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/" class="archive-article-date">
+  <time class="dt-published" datetime="2024-01-09T09:03:43.333Z" itemprop="datePublished">Jan 9</time>
+</a>
+      
+  
+    <h1 itemprop="name">
+      <a class="archive-article-title" href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+    </h1>
+  
+
+    </header>
+  </div>
+</article>
+  
+    
+    
     <article class="archive-article archive-type-post">
   <div class="archive-article-inner">
     <header class="archive-article-header">
@@ -257,25 +276,6 @@ <h1 itemprop="name">
     </h1>
   
 
-    </header>
-  </div>
-</article>
-  
-    
-    
-    <article class="archive-article archive-type-post">
-  <div class="archive-article-inner">
-    <header class="archive-article-header">
-      <a href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" class="archive-article-date">
-  <time class="dt-published" datetime="2023-10-10T07:59:36.770Z" itemprop="datePublished">Oct 10</time>
-</a>
-      
-  
-    <h1 itemprop="name">
-      <a class="archive-article-title" href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/">Pika的slot数据迁移学习</a>
-    </h1>
-  
-
     </header>
   </div>
 </article>
@@ -332,6 +332,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -348,10 +352,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/page/2/index.html b/archives/page/2/index.html
index ccc8fe4..e6ef124 100644
--- a/archives/page/2/index.html
+++ b/archives/page/2/index.html
@@ -82,6 +82,25 @@ <h1 id="logo-wrap">
         </div>
         <div class="archives">
     
+    <article class="archive-article archive-type-post">
+  <div class="archive-article-inner">
+    <header class="archive-article-header">
+      <a href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" class="archive-article-date">
+  <time class="dt-published" datetime="2023-10-10T07:59:36.770Z" itemprop="datePublished">Oct 10</time>
+</a>
+      
+  
+    <h1 itemprop="name">
+      <a class="archive-article-title" href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/">Pika的slot数据迁移学习</a>
+    </h1>
+  
+
+    </header>
+  </div>
+</article>
+  
+    
+    
     <article class="archive-article archive-type-post">
   <div class="archive-article-inner">
     <header class="archive-article-header">
@@ -247,25 +266,6 @@ <h1 itemprop="name">
     </h1>
   
 
-    </header>
-  </div>
-</article>
-  
-    
-    
-    <article class="archive-article archive-type-post">
-  <div class="archive-article-inner">
-    <header class="archive-article-header">
-      <a href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" class="archive-article-date">
-  <time class="dt-published" datetime="2023-07-10T23:32:18.000Z" itemprop="datePublished">Jul 11</time>
-</a>
-      
-  
-    <h1 itemprop="name">
-      <a class="archive-article-title" href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/">Blackwidow代码解析</a>
-    </h1>
-  
-
     </header>
   </div>
 </article>
@@ -322,6 +322,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -338,10 +342,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/archives/page/3/index.html b/archives/page/3/index.html
index 120c408..aeda32c 100644
--- a/archives/page/3/index.html
+++ b/archives/page/3/index.html
@@ -82,6 +82,25 @@ <h1 id="logo-wrap">
         </div>
         <div class="archives">
     
+    <article class="archive-article archive-type-post">
+  <div class="archive-article-inner">
+    <header class="archive-article-header">
+      <a href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" class="archive-article-date">
+  <time class="dt-published" datetime="2023-07-10T23:32:18.000Z" itemprop="datePublished">Jul 11</time>
+</a>
+      
+  
+    <h1 itemprop="name">
+      <a class="archive-article-title" href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/">Blackwidow代码解析</a>
+    </h1>
+  
+
+    </header>
+  </div>
+</article>
+  
+    
+    
     <article class="archive-article archive-type-post">
   <div class="archive-article-inner">
     <header class="archive-article-header">
@@ -227,6 +246,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -243,10 +266,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/index.html b/index.html
index 4e77ba4..56b6ca7 100644
--- a/index.html
+++ b/index.html
@@ -71,6 +71,51 @@ <h1 id="logo-wrap">
       <div class="outer">
         <section id="main">
   
+    <article id="post-Pika的全量同步" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
+  <div class="article-meta">
+    <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/" class="article-date">
+  <time class="dt-published" datetime="2024-01-09T09:03:43.333Z" itemprop="datePublished">2024-01-09</time>
+</a>
+    
+  </div>
+  <div class="article-inner">
+    
+    
+      <header class="article-header">
+        
+  
+    <h1 itemprop="name">
+      <a class="p-name article-title" href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+    </h1>
+  
+
+      </header>
+    
+    <div class="e-content article-entry" itemprop="articleBody">
+      
+        <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</h1><p>本篇介绍一下 Pika 的全量同步
+        
+          <p class="article-more-link">
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/#more">Read More</a>
+          </p>
+        
+      
+    </div>
+    <footer class="article-footer">
+      <a data-url="http://example.com/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/" data-id="clr94wvun00154mrfbifo46ln" data-title="Pika的增量同步" class="article-share-link">Share</a>
+      
+      
+      
+  <ul class="article-tag-list" itemprop="keywords"><li class="article-tag-list-item"><a class="article-tag-list-link" href="/tags/Blog/" rel="tag">Blog</a></li></ul>
+
+    </footer>
+  </div>
+  
+</article>
+
+
+
+  
     <article id="post-Pika的增量同步" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
   <div class="article-meta">
     <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/" class="article-date">
@@ -102,7 +147,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/" data-id="clr64e90b001fumrf0tdtda21" data-title="Pika的增量同步" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/" data-id="clr94wvup001d4mrfexb28gei" data-title="Pika的增量同步" class="article-share-link">Share</a>
       
       
       
@@ -147,7 +192,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/12/05/Floyd%E6%97%A0%E6%95%88%E6%95%B0%E6%8D%AE%E6%B8%85%E7%90%86%E6%96%B9%E6%A1%88/" data-id="clr64e8zs0004umrf4tu19wy4" data-title="Floyd无效数据清理方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/12/05/Floyd%E6%97%A0%E6%95%88%E6%95%B0%E6%8D%AE%E6%B8%85%E7%90%86%E6%96%B9%E6%A1%88/" data-id="clr94wvuc00054mrf69qu31e4" data-title="Floyd无效数据清理方案" class="article-share-link">Share</a>
       
       
       
@@ -192,7 +237,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/12/04/Pika%E5%BF%AB%E6%85%A2%E5%91%BD%E4%BB%A4%E5%88%86%E7%A6%BB%E6%96%B9%E6%A1%88/" data-id="clr64e902000tumrfedsy3k4z" data-title="Pika快慢命令分离方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/12/04/Pika%E5%BF%AB%E6%85%A2%E5%91%BD%E4%BB%A4%E5%88%86%E7%A6%BB%E6%96%B9%E6%A1%88/" data-id="clr94wvuk000t4mrf3qj47cjw" data-title="Pika快慢命令分离方案" class="article-share-link">Share</a>
       
       
       
@@ -237,7 +282,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/" data-id="clr64e8zo0001umrfhbvwdoh8" data-title="Floyd的多key命令在并发场景下的解决方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/" data-id="clr94wvua00034mrfespu3p8a" data-title="Floyd的多key命令在并发场景下的解决方案" class="article-share-link">Share</a>
       
       
       
@@ -282,7 +327,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/" data-id="clr64e8zt0005umrfenkpeizo" data-title="Pika的Floyd设计方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/" data-id="clr94wvub00044mrf5d7y5ufd" data-title="Pika的Floyd设计方案" class="article-share-link">Share</a>
       
       
       
@@ -327,7 +372,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/11/24/Pika%E5%9C%A8Kubeblocks%E4%B8%8A%E9%83%A8%E7%BD%B2%E6%8A%80%E6%9C%AF%E7%BB%86%E8%8A%82/" data-id="clr64e902000rumrf2bnr11xa" data-title="Pika在Kubeblocks上部署细节" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/11/24/Pika%E5%9C%A8Kubeblocks%E4%B8%8A%E9%83%A8%E7%BD%B2%E6%8A%80%E6%9C%AF%E7%BB%86%E8%8A%82/" data-id="clr94wvuk000r4mrfaxse1o9i" data-title="Pika在Kubeblocks上部署细节" class="article-share-link">Share</a>
       
       
       
@@ -373,7 +418,7 @@ <h1 itemprop="name">
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/11/21/Pika%E5%9C%A8K8s%E4%B8%8A%E7%9A%84%E6%89%A9%E5%AE%B9/" data-id="clr64e901000pumrf6739heaf" data-title="Pika在K8s上的扩容" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/11/21/Pika%E5%9C%A8K8s%E4%B8%8A%E7%9A%84%E6%89%A9%E5%AE%B9/" data-id="clr94wvuj000p4mrfgkaodb66" data-title="Pika在K8s上的扩容" class="article-share-link">Share</a>
       
       
       
@@ -418,7 +463,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/10/30/Pika%E7%9A%84CacheStatus%E6%96%B9%E6%A1%88/" data-id="clr64e904000xumrffh05800e" data-title="Pika的CacheStatus方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/10/30/Pika%E7%9A%84CacheStatus%E6%96%B9%E6%A1%88/" data-id="clr94wvul000x4mrf2bfq0hns" data-title="Pika的CacheStatus方案" class="article-share-link">Share</a>
       
       
       
@@ -463,52 +508,7 @@ <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/10/26/Pika%E7%9A%84Cache%E6%96%B9%E6%A1%88/" data-id="clr64e904000zumrf10a30oko" data-title="Pika的Cache方案" class="article-share-link">Share</a>
-      
-      
-      
-  <ul class="article-tag-list" itemprop="keywords"><li class="article-tag-list-item"><a class="article-tag-list-link" href="/tags/Blog/" rel="tag">Blog</a></li></ul>
-
-    </footer>
-  </div>
-  
-</article>
-
-
-
-  
-    <article id="post-Pika的slot迁移学习" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
-  <div class="article-meta">
-    <a href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" class="article-date">
-  <time class="dt-published" datetime="2023-10-10T07:59:36.770Z" itemprop="datePublished">2023-10-10</time>
-</a>
-    
-  </div>
-  <div class="article-inner">
-    
-    
-      <header class="article-header">
-        
-  
-    <h1 itemprop="name">
-      <a class="p-name article-title" href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/">Pika的slot数据迁移学习</a>
-    </h1>
-  
-
-      </header>
-    
-    <div class="e-content article-entry" itemprop="articleBody">
-      
-        <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</h1><p>自 Pika 3.5.0 版本开始，Pika 支持 Codis + Pika 集群的模式
-        
-          <p class="article-more-link">
-            <a href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/#more">Read More</a>
-          </p>
-        
-      
-    </div>
-    <footer class="article-footer">
-      <a data-url="http://example.com/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" data-id="clr64e9050013umrf6ywuagpk" data-title="Pika的slot数据迁移学习" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/10/26/Pika%E7%9A%84Cache%E6%96%B9%E6%A1%88/" data-id="clr94wvum000z4mrf4ffocomk" data-title="Pika的Cache方案" class="article-share-link">Share</a>
       
       
       
@@ -571,6 +571,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -587,10 +591,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/page/2/index.html b/page/2/index.html
index 8aa2ca3..aeab8ba 100644
--- a/page/2/index.html
+++ b/page/2/index.html
@@ -71,6 +71,51 @@ <h1 id="logo-wrap">
       <div class="outer">
         <section id="main">
   
+    <article id="post-Pika的slot迁移学习" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
+  <div class="article-meta">
+    <a href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" class="article-date">
+  <time class="dt-published" datetime="2023-10-10T07:59:36.770Z" itemprop="datePublished">2023-10-10</time>
+</a>
+    
+  </div>
+  <div class="article-inner">
+    
+    
+      <header class="article-header">
+        
+  
+    <h1 itemprop="name">
+      <a class="p-name article-title" href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/">Pika的slot数据迁移学习</a>
+    </h1>
+  
+
+      </header>
+    
+    <div class="e-content article-entry" itemprop="articleBody">
+      
+        <h1 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</h1><p>自 Pika 3.5.0 版本开始，Pika 支持 Codis + Pika 集群的模式
+        
+          <p class="article-more-link">
+            <a href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/#more">Read More</a>
+          </p>
+        
+      
+    </div>
+    <footer class="article-footer">
+      <a data-url="http://example.com/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" data-id="clr94wvun00134mrf4sld5w8p" data-title="Pika的slot数据迁移学习" class="article-share-link">Share</a>
+      
+      
+      
+  <ul class="article-tag-list" itemprop="keywords"><li class="article-tag-list-item"><a class="article-tag-list-link" href="/tags/Blog/" rel="tag">Blog</a></li></ul>
+
+    </footer>
+  </div>
+  
+</article>
+
+
+
+  
     <article id="post-Pika动态关闭WAL方案" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
   <div class="article-meta">
     <a href="/2023/09/25/Pika%E5%8A%A8%E6%80%81%E5%85%B3%E9%97%ADWAL%E6%96%B9%E6%A1%88/" class="article-date">
@@ -102,7 +147,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/09/25/Pika%E5%8A%A8%E6%80%81%E5%85%B3%E9%97%ADWAL%E6%96%B9%E6%A1%88/" data-id="clr64e8zz000jumrff72zfgo1" data-title="Pika动态关闭WAL方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/09/25/Pika%E5%8A%A8%E6%80%81%E5%85%B3%E9%97%ADWAL%E6%96%B9%E6%A1%88/" data-id="clr94wvuh000j4mrf76l9bf8s" data-title="Pika动态关闭WAL方案" class="article-share-link">Share</a>
       
       
       
@@ -147,7 +192,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/31/Pika%20ReplicationID%20%E6%96%B9%E6%A1%88/" data-id="clr64e8zv000aumrff0627209" data-title="Pika ReplicationID 方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/31/Pika%20ReplicationID%20%E6%96%B9%E6%A1%88/" data-id="clr94wvue000a4mrfdnm5eai2" data-title="Pika ReplicationID 方案" class="article-share-link">Share</a>
       
       
       
@@ -192,7 +237,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/30/Codis%20sentinel%20%E5%8D%87%E7%BA%A7%E6%96%B9%E6%A1%88/" data-id="clr64e8zr0003umrf9i5of48r" data-title="Codis sentinel升级方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/30/Codis%20sentinel%20%E5%8D%87%E7%BA%A7%E6%96%B9%E6%A1%88/" data-id="clr94wvu700014mrf0f9h469u" data-title="Codis sentinel升级方案" class="article-share-link">Share</a>
       
       
       
@@ -237,7 +282,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/18/Macos%20%E6%9C%AC%E5%9C%B0%E4%BD%BF%E7%94%A8%20pika_operator/" data-id="clr64e8zv0008umrf2rc8bitw" data-title="Macos本地使用pika_operator" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/18/Macos%20%E6%9C%AC%E5%9C%B0%E4%BD%BF%E7%94%A8%20pika_operator/" data-id="clr94wvud00084mrf18th4p1f" data-title="Macos本地使用pika_operator" class="article-share-link">Share</a>
       
       
       
@@ -282,7 +327,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/15/%E9%83%A8%E7%BD%B2Kubernetes%E9%9B%86%E7%BE%A4/" data-id="clr64e9070019umrf936c2iq8" data-title="部署Kubernetes集群" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/15/%E9%83%A8%E7%BD%B2Kubernetes%E9%9B%86%E7%BE%A4/" data-id="clr94wvup001b4mrfh9qm18za" data-title="部署Kubernetes集群" class="article-share-link">Share</a>
       
       
       
@@ -327,7 +372,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/06/Pika%E6%94%AF%E6%8C%81Zset%E9%99%90%E9%95%BF%E6%96%B9%E6%A1%88/" data-id="clr64e903000vumrfer6r9bs7" data-title="Pika支持Zset限长方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/06/Pika%E6%94%AF%E6%8C%81Zset%E9%99%90%E9%95%BF%E6%96%B9%E6%A1%88/" data-id="clr94wvul000v4mrf531tdihl" data-title="Pika支持Zset限长方案" class="article-share-link">Share</a>
       
       
       
@@ -372,7 +417,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/06/Pika%E7%9A%84Zset%E8%8C%83%E5%9B%B4%E5%88%A0%E9%99%A4%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E6%96%B9%E6%A1%88/" data-id="clr64e9050011umrfb00q25a3" data-title="Pika的Zset范围删除性能优化方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/06/Pika%E7%9A%84Zset%E8%8C%83%E5%9B%B4%E5%88%A0%E9%99%A4%E6%80%A7%E8%83%BD%E4%BC%98%E5%8C%96%E6%96%B9%E6%A1%88/" data-id="clr94wvum00114mrfeccabwao" data-title="Pika的Zset范围删除性能优化方案" class="article-share-link">Share</a>
       
       
       
@@ -417,7 +462,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/08/02/Pika%E7%A3%81%E7%9B%98%E5%AE%B9%E9%87%8F%E6%BB%A1%E6%81%A2%E5%A4%8D%E6%96%B9%E6%A1%88/" data-id="clr64e9060015umrfede44qcy" data-title="Pika磁盘容量满恢复方案" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/08/02/Pika%E7%A3%81%E7%9B%98%E5%AE%B9%E9%87%8F%E6%BB%A1%E6%81%A2%E5%A4%8D%E6%96%B9%E6%A1%88/" data-id="clr94wvuo00174mrf77r58tez" data-title="Pika磁盘容量满恢复方案" class="article-share-link">Share</a>
       
       
       
@@ -462,52 +507,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/12/pika_exporter%E6%9C%AC%E5%9C%B0%E5%90%AF%E5%8A%A8%E8%BF%87%E7%A8%8B%E6%96%87%E6%A1%A3/" data-id="clr64e9060017umrfc5chcy8m" data-title="Pika_exporter本地启动文档" class="article-share-link">Share</a>
-      
-      
-      
-  <ul class="article-tag-list" itemprop="keywords"><li class="article-tag-list-item"><a class="article-tag-list-link" href="/tags/Blog/" rel="tag">Blog</a></li></ul>
-
-    </footer>
-  </div>
-  
-</article>
-
-
-
-  
-    <article id="post-Blackwidow重构图" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
-  <div class="article-meta">
-    <a href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" class="article-date">
-  <time class="dt-published" datetime="2023-07-10T23:32:18.000Z" itemprop="datePublished">2023-07-11</time>
-</a>
-    
-  </div>
-  <div class="article-inner">
-    
-    
-      <header class="article-header">
-        
-  
-    <h1 itemprop="name">
-      <a class="p-name article-title" href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/">Blackwidow代码解析</a>
-    </h1>
-  
-
-      </header>
-    
-    <div class="e-content article-entry" itemprop="articleBody">
-      
-        <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</h2><p>我们希望通过阅读 Blackwidow 源码来学习这个存储引擎存储数据的方式
-        
-          <p class="article-more-link">
-            <a href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/#more">Read More</a>
-          </p>
-        
-      
-    </div>
-    <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" data-id="clr64e8zj0000umrfaw4d33xj" data-title="Blackwidow代码解析" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/12/pika_exporter%E6%9C%AC%E5%9C%B0%E5%90%AF%E5%8A%A8%E8%BF%87%E7%A8%8B%E6%96%87%E6%A1%A3/" data-id="clr94wvuo00194mrf61l8696d" data-title="Pika_exporter本地启动文档" class="article-share-link">Share</a>
       
       
       
@@ -570,6 +570,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -586,10 +590,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/page/3/index.html b/page/3/index.html
index 1532eb2..14e72bd 100644
--- a/page/3/index.html
+++ b/page/3/index.html
@@ -71,6 +71,51 @@ <h1 id="logo-wrap">
       <div class="outer">
         <section id="main">
   
+    <article id="post-Blackwidow重构图" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
+  <div class="article-meta">
+    <a href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" class="article-date">
+  <time class="dt-published" datetime="2023-07-10T23:32:18.000Z" itemprop="datePublished">2023-07-11</time>
+</a>
+    
+  </div>
+  <div class="article-inner">
+    
+    
+      <header class="article-header">
+        
+  
+    <h1 itemprop="name">
+      <a class="p-name article-title" href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/">Blackwidow代码解析</a>
+    </h1>
+  
+
+      </header>
+    
+    <div class="e-content article-entry" itemprop="articleBody">
+      
+        <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</h2><p>我们希望通过阅读 Blackwidow 源码来学习这个存储引擎存储数据的方式
+        
+          <p class="article-more-link">
+            <a href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/#more">Read More</a>
+          </p>
+        
+      
+    </div>
+    <footer class="article-footer">
+      <a data-url="http://example.com/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" data-id="clr94wvu000004mrfd4tm36zd" data-title="Blackwidow代码解析" class="article-share-link">Share</a>
+      
+      
+      
+  <ul class="article-tag-list" itemprop="keywords"><li class="article-tag-list-item"><a class="article-tag-list-link" href="/tags/Blog/" rel="tag">Blog</a></li></ul>
+
+    </footer>
+  </div>
+  
+</article>
+
+
+
+  
     <article id="post-Pika命令耗时统计功能技术文档" class="h-entry article article-type-post" itemprop="blogPost" itemscope itemtype="https://schema.org/BlogPosting">
   <div class="article-meta">
     <a href="/2023/07/06/Pika%E5%91%BD%E4%BB%A4%E8%80%97%E6%97%B6%E7%BB%9F%E8%AE%A1%E5%8A%9F%E8%83%BD%E6%8A%80%E6%9C%AF%E6%96%87%E6%A1%A3/" class="article-date">
@@ -102,7 +147,7 @@ <h3 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/06/Pika%E5%91%BD%E4%BB%A4%E8%80%97%E6%97%B6%E7%BB%9F%E8%AE%A1%E5%8A%9F%E8%83%BD%E6%8A%80%E6%9C%AF%E6%96%87%E6%A1%A3/" data-id="clr64e901000numrfa0jmed9f" data-title="Pika命令耗时统计功能技术文档" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/06/Pika%E5%91%BD%E4%BB%A4%E8%80%97%E6%97%B6%E7%BB%9F%E8%AE%A1%E5%8A%9F%E8%83%BD%E6%8A%80%E6%9C%AF%E6%96%87%E6%A1%A3/" data-id="clr94wvui000n4mrf7khuglpj" data-title="Pika命令耗时统计功能技术文档" class="article-share-link">Share</a>
       
       
       
@@ -147,7 +192,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/05/Pika%E5%91%BD%E4%BB%A4%E5%A4%84%E7%90%86%E6%B5%81%E7%A8%8B%E6%BA%90%E7%A0%81%E5%88%86%E6%9E%90/" data-id="clr64e900000lumrfepme7a8s" data-title="Pika命令处理流程源码分析" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/05/Pika%E5%91%BD%E4%BB%A4%E5%A4%84%E7%90%86%E6%B5%81%E7%A8%8B%E6%BA%90%E7%A0%81%E5%88%86%E6%9E%90/" data-id="clr94wvui000l4mrfacnb6sen" data-title="Pika命令处理流程源码分析" class="article-share-link">Share</a>
       
       
       
@@ -192,7 +237,7 @@ <h2 id="背景"><a href="#背景" class="headerlink" title="背景"></a>背景</
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/07/05/Pika%E4%B8%BB%E4%BB%8E%E5%90%8C%E6%AD%A5%E6%96%B9%E6%A1%88%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3/" data-id="clr64e8zx000dumrfb9p2byw6" data-title="Pika主从同步方案代码理解" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/07/05/Pika%E4%B8%BB%E4%BB%8E%E5%90%8C%E6%AD%A5%E6%96%B9%E6%A1%88%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3/" data-id="clr94wvuf000d4mrf3v53eua0" data-title="Pika主从同步方案代码理解" class="article-share-link">Share</a>
       
       
       
@@ -237,7 +282,7 @@ <h1 itemprop="name">
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/04/24/Pika%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3(%E4%BA%8C)/" data-id="clr64e8zy000humrf9jcafgig" data-title="Pika代码理解(二)" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/04/24/Pika%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3(%E4%BA%8C)/" data-id="clr94wvuh000h4mrf1eoq9pp8" data-title="Pika代码理解(二)" class="article-share-link">Share</a>
       
       
       
@@ -282,7 +327,7 @@ <h1 itemprop="name">
       
     </div>
     <footer class="article-footer">
-      <a data-url="http://example.com/2023/04/20/Pika%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3(%E4%B8%80)/" data-id="clr64e8zy000fumrfdd8jb59z" data-title="Pika代码理解(一)" class="article-share-link">Share</a>
+      <a data-url="http://example.com/2023/04/20/Pika%E4%BB%A3%E7%A0%81%E7%90%86%E8%A7%A3(%E4%B8%80)/" data-id="clr94wvug000f4mrfd3tv9tye" data-title="Pika代码理解(一)" class="article-share-link">Share</a>
       
       
       
@@ -345,6 +390,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -361,10 +410,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/tags/Blog/index.html b/tags/Blog/index.html
index 1c5c55d..7afaec8 100644
--- a/tags/Blog/index.html
+++ b/tags/Blog/index.html
@@ -82,6 +82,25 @@ <h1 id="logo-wrap">
         </div>
         <div class="archives">
     
+    <article class="archive-article archive-type-post">
+  <div class="archive-article-inner">
+    <header class="archive-article-header">
+      <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/" class="archive-article-date">
+  <time class="dt-published" datetime="2024-01-09T09:03:43.333Z" itemprop="datePublished">Jan 9</time>
+</a>
+      
+  
+    <h1 itemprop="name">
+      <a class="archive-article-title" href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+    </h1>
+  
+
+    </header>
+  </div>
+</article>
+  
+    
+    
     <article class="archive-article archive-type-post">
   <div class="archive-article-inner">
     <header class="archive-article-header">
@@ -257,25 +276,6 @@ <h1 itemprop="name">
     </h1>
   
 
-    </header>
-  </div>
-</article>
-  
-    
-    
-    <article class="archive-article archive-type-post">
-  <div class="archive-article-inner">
-    <header class="archive-article-header">
-      <a href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" class="archive-article-date">
-  <time class="dt-published" datetime="2023-10-10T07:59:36.770Z" itemprop="datePublished">Oct 10</time>
-</a>
-      
-  
-    <h1 itemprop="name">
-      <a class="archive-article-title" href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/">Pika的slot数据迁移学习</a>
-    </h1>
-  
-
     </header>
   </div>
 </article>
@@ -332,6 +332,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -348,10 +352,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/tags/Blog/page/2/index.html b/tags/Blog/page/2/index.html
index 65d7e0c..3e01bc1 100644
--- a/tags/Blog/page/2/index.html
+++ b/tags/Blog/page/2/index.html
@@ -82,6 +82,25 @@ <h1 id="logo-wrap">
         </div>
         <div class="archives">
     
+    <article class="archive-article archive-type-post">
+  <div class="archive-article-inner">
+    <header class="archive-article-header">
+      <a href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/" class="archive-article-date">
+  <time class="dt-published" datetime="2023-10-10T07:59:36.770Z" itemprop="datePublished">Oct 10</time>
+</a>
+      
+  
+    <h1 itemprop="name">
+      <a class="archive-article-title" href="/2023/10/10/Pika%E7%9A%84slot%E8%BF%81%E7%A7%BB%E5%AD%A6%E4%B9%A0/">Pika的slot数据迁移学习</a>
+    </h1>
+  
+
+    </header>
+  </div>
+</article>
+  
+    
+    
     <article class="archive-article archive-type-post">
   <div class="archive-article-inner">
     <header class="archive-article-header">
@@ -247,25 +266,6 @@ <h1 itemprop="name">
     </h1>
   
 
-    </header>
-  </div>
-</article>
-  
-    
-    
-    <article class="archive-article archive-type-post">
-  <div class="archive-article-inner">
-    <header class="archive-article-header">
-      <a href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" class="archive-article-date">
-  <time class="dt-published" datetime="2023-07-10T23:32:18.000Z" itemprop="datePublished">Jul 11</time>
-</a>
-      
-  
-    <h1 itemprop="name">
-      <a class="archive-article-title" href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/">Blackwidow代码解析</a>
-    </h1>
-  
-
     </header>
   </div>
 </article>
@@ -322,6 +322,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -338,10 +342,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>
diff --git a/tags/Blog/page/3/index.html b/tags/Blog/page/3/index.html
index ef1a2fc..f4dc49c 100644
--- a/tags/Blog/page/3/index.html
+++ b/tags/Blog/page/3/index.html
@@ -82,6 +82,25 @@ <h1 id="logo-wrap">
         </div>
         <div class="archives">
     
+    <article class="archive-article archive-type-post">
+  <div class="archive-article-inner">
+    <header class="archive-article-header">
+      <a href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/" class="archive-article-date">
+  <time class="dt-published" datetime="2023-07-10T23:32:18.000Z" itemprop="datePublished">Jul 11</time>
+</a>
+      
+  
+    <h1 itemprop="name">
+      <a class="archive-article-title" href="/2023/07/11/Blackwidow%E9%87%8D%E6%9E%84%E5%9B%BE/">Blackwidow代码解析</a>
+    </h1>
+  
+
+    </header>
+  </div>
+</article>
+  
+    
+    
     <article class="archive-article archive-type-post">
   <div class="archive-article-inner">
     <header class="archive-article-header">
@@ -227,6 +246,10 @@ <h3 class="widget-title">Recent Posts</h3>
     <div class="widget">
       <ul>
         
+          <li>
+            <a href="/2024/01/09/Pika%E7%9A%84%E5%85%A8%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
+          </li>
+        
           <li>
             <a href="/2024/01/04/Pika%E7%9A%84%E5%A2%9E%E9%87%8F%E5%90%8C%E6%AD%A5/">Pika的增量同步</a>
           </li>
@@ -243,10 +266,6 @@ <h3 class="widget-title">Recent Posts</h3>
             <a href="/2023/11/30/Floyd%E5%A4%9Akey%E5%91%BD%E4%BB%A4%E5%9C%A8%E5%B9%B6%E5%8F%91%E5%9C%BA%E6%99%AF%E4%B8%8B%E8%A7%A3%E5%86%B3%E5%8A%9E%E6%B3%95/">Floyd的多key命令在并发场景下的解决方案</a>
           </li>
         
-          <li>
-            <a href="/2023/11/27/Floyd%E8%AE%BE%E8%AE%A1%E6%96%B9%E6%A1%88%E8%A7%A3%E6%9E%90/">Pika的Floyd设计方案</a>
-          </li>
-        
       </ul>
     </div>
   </div>