From ce0ea61aecd53ac02a0e7da2b166961c7d98650a Mon Sep 17 00:00:00 2001
From: Xinye Tao <xy.tao@outlook.com>
Date: Mon, 26 Sep 2022 20:36:05 +0800
Subject: [PATCH] compute compaction score once for a batch of range file
 deletes (#316)

Signed-off-by: tabokie <xy.tao@outlook.com>

Signed-off-by: tabokie <xy.tao@outlook.com>
---
 db/db_impl/db_impl.cc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/db/db_impl/db_impl.cc b/db/db_impl/db_impl.cc
index 240ddca0d66..34aa65e90cf 100644
--- a/db/db_impl/db_impl.cc
+++ b/db/db_impl/db_impl.cc
@@ -3859,10 +3859,12 @@ Status DBImpl::DeleteFilesInRanges(ColumnFamilyHandle* column_family,
           deleted_files.insert(level_file);
           level_file->being_compacted = true;
         }
-        vstorage->ComputeCompactionScore(*cfd->ioptions(),
-                                         *cfd->GetLatestMutableCFOptions());
       }
     }
+    if (!deleted_files.empty()) {
+      vstorage->ComputeCompactionScore(*cfd->ioptions(),
+                                       *cfd->GetLatestMutableCFOptions());
+    }
     if (edit.GetDeletedFiles().empty()) {
       job_context.Clean();
       return status;