[AUTOCONF] setting default values for config

Summary:
Reverted some ports and values for default cluster setup,
additionally made `start-dev-cluster.sh` using --seekconfig
option by default

Test Plan: ran a cluster

Reviewers: tomasz, hkuang

Reviewed By: tomasz

hdfs-autoconf/config-templates/avatar-site.xml.template

@@ -5,7 +5,7 @@
 
 <property>
   <name>dfs.http.address0</name>
-  <value>localhost:50199</value>
+  <value>localhost:50070</value>
   <description>
     The address and the base port where the dfs namenode web ui will listen on.
     If the port is 0 then the server will start on a free port.
@@ -14,7 +14,7 @@
 
 <property>
   <name>dfs.http.address1</name>
-  <value>localhost:50202</value>
+  <value>localhost:50080</value>
   <description>
     The address and the base port where the dfs namenode web ui will listen on.
     If the port is 0 then the server will start on a free port.
@@ -95,7 +95,7 @@
 
 <property>
   <name>dfs.namenode.dn-address0</name>
-  <value>localhost:9015</value>
+  <value>localhost:9005</value>
   <description>
   The address and port to run the RPC server which will be processing
   requests from datanodes in the cluster.
@@ -104,7 +104,7 @@
 
 <property>
   <name>dfs.namenode.dn-address1</name>
-  <value>localhost:9025</value>
+  <value>localhost:9006</value>
   <description>
   The address and port to run the RPC server which will be processing
   requests from datanodes in the cluster.

hdfs-autoconf/config-templates/core-site.xml.template

@@ -7,7 +7,7 @@
 
 <property>
   <name>fs.default.name</name>
-  <value>hdfs://localhost:9010</value>
+  <value>hdfs://localhost:9000</value>
   <description>The name of the default file system.  A URI whose
   scheme and authority determine the FileSystem implementation.  The
   uri's scheme determines the config property (fs.SCHEME.impl) naming
@@ -17,7 +17,7 @@
 
 <property>
   <name>fs.default.name0</name>
-  <value>hdfs://localhost:9010</value>
+  <value>hdfs://localhost:9000</value>
   <description>The name of the default file system.  A URI whose
   scheme and authority determine the FileSystem implementation.  The
   uri's scheme determines the config property (fs.SCHEME.impl) naming
@@ -27,7 +27,7 @@
 
 <property>
   <name>fs.default.name1</name>
-  <value>hdfs://localhost:9020</value>
+  <value>hdfs://localhost:9010</value>
   <description>The name of the default file system.  A URI whose
   scheme and authority determine the FileSystem implementation.  The
   uri's scheme determines the config property (fs.SCHEME.impl) naming
@@ -38,14 +38,17 @@
 <property>
   <name>fs.checkpoint.period</name>
   <value>600</value>
-  <description>...
+  <description>
+  The number of seconds between two periodic checkpoints
   </description>
 </property>
 
 <property>
   <name>fs.checkpoint.size</name>
   <value>10000000</value>
-  <description>...
+  <description>
+  Defines the size of the edits log file that forces an urgent checkpoint even
+  if the maximum checkpoint delay is not reached.
   </description>
 </property>
 
@@ -57,7 +60,7 @@
 
 <property>
   <name>ipc.client.connect.max.retries</name>
-  <value>2</value>
+  <value>10</value>
 </property>
 
 <property>

hdfs-autoconf/config-templates/hdfs-site.xml.template

@@ -12,7 +12,7 @@
 
 <property>
   <name>dfs.http.address</name>
-  <value>127.0.0.1:50199</value>
+  <value>127.0.0.1:50070</value>
   <description>
     The address and the base port where the dfs namenode web ui will listen on.
     If the port is 0 then the server will start on a free port.
@@ -36,7 +36,7 @@
 
 <property>
   <name>dfs.fullblockreport.magnifier</name>
-  <value>1</value>
+  <value>2</value>
   <description>
     Determines the full block reporting interval, which is magnifier
     times the delete block report interval.

hdfs-autoconf/start-dev-cluster.sh

@@ -5,7 +5,7 @@ usage="USAGE
   bash $(basename $0) [--help] [--format] [--count number | --seekconfig]
 
 DESCRIPTION
-  Launching without arguments equals to '--count 1'
+  Launching without arguments equals to '--seekconfig'
   specified argument
 
   Starts locally two avatar namenodes and, depending on the option
@@ -47,9 +47,6 @@ if (( $# >= 1 )); then
 fi
 
 mode="seek";
-if (( $# == 0 )); then
-  mode=1
-fi
 
 if (( $# >= 1 )); then
   if [[ $1 == "--seekconfig" ]]; then