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From ss...@apache.org
Subject svn commit: r1236360 - in /hadoop/common/branches/branch-0.23/hadoop-mapreduce-project: CHANGES.txt hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
Date Thu, 26 Jan 2012 19:31:50 GMT
Author: sseth
Date: Thu Jan 26 19:31:49 2012
New Revision: 1236360

URL: http://svn.apache.org/viewvc?rev=1236360&view=rev
Log:
merge MAPREDUCE-3718 from trunk

Modified:
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
    hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt?rev=1236360&r1=1236359&r2=1236360&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/CHANGES.txt Thu Jan 26 19:31:49
2012
@@ -155,6 +155,9 @@ Release 0.23.1 - Unreleased
     MAPREDUCE-3512. Batching JobHistory flushing to DFS so that we don't flush
     for every event slowing down AM. (Siddarth Seth via vinodkv)
 
+    MAPREDUCE-3718. Change default AM heartbeat interval to 1 second. (Hitesh
+    Shah via sseth)
+
   BUG FIXES
     MAPREDUCE-3194. "mapred mradmin" command is broken in mrv2
                      (Jason Lowe via bobby)

Modified: hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java?rev=1236360&r1=1236359&r2=1236360&view=diff
==============================================================================
--- hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
(original)
+++ hadoop/common/branches/branch-0.23/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
Thu Jan 26 19:31:49 2012
@@ -417,7 +417,7 @@ public interface MRJobConfig {
   /** How often the AM should send heartbeats to the RM.*/
   public static final String MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS =
     MR_AM_PREFIX + "scheduler.heartbeat.interval-ms";
-  public static final int DEFAULT_MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS = 2000;
+  public static final int DEFAULT_MR_AM_TO_RM_HEARTBEAT_INTERVAL_MS = 1000;
 
   /**
    * If contact with RM is lost, the AM will wait MR_AM_TO_RM_WAIT_INTERVAL_MS



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