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Posted to mapreduce-commits@hadoop.apache.org by vi...@apache.org on 2013/05/01 02:42:32 UTC

svn commit: r1477889 - in /hadoop/common/trunk/hadoop-mapreduce-project: ./ hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/ hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apa...

Author: vinodkv
Date: Wed May  1 00:42:32 2013
New Revision: 1477889

URL: http://svn.apache.org/r1477889
Log:
MAPREDUCE-5145. Changed default max-attempts to be more than one for MR jobs inline with YARN. Contributed by Zhijie Shen.

Modified:
    hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
    hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestStagingCleanup.java
    hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java
    hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml

Modified: hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt?rev=1477889&r1=1477888&r2=1477889&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt Wed May  1 00:42:32 2013
@@ -215,6 +215,9 @@ Release 2.0.5-beta - UNRELEASED
     MAPREDUCE-5069. add concrete common implementations of
     CombineFileInputFormat (Sangjin Lee via bobby)
 
+    MAPREDUCE-5145. Changed default max-attempts to be more than one for MR jobs
+    inline with YARN. (Zhijie Shen via vinodkv)
+
   OPTIMIZATIONS
 
     MAPREDUCE-4974. Optimising the LineRecordReader initialize() method 

Modified: hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestStagingCleanup.java
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestStagingCleanup.java?rev=1477889&r1=1477888&r2=1477889&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestStagingCleanup.java (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/TestStagingCleanup.java Wed May  1 00:42:32 2013
@@ -90,6 +90,7 @@ import org.junit.Test;
      JobId jobid = recordFactory.newRecordInstance(JobId.class);
      jobid.setAppId(appId);
      ContainerAllocator mockAlloc = mock(ContainerAllocator.class);
+     Assert.assertTrue(MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS > 1);
      MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc,
          JobStateInternal.RUNNING, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS);
      appMaster.init(conf);
@@ -116,8 +117,9 @@ import org.junit.Test;
      appId.setId(0);
      attemptId.setApplicationId(appId);
      ContainerAllocator mockAlloc = mock(ContainerAllocator.class);
+     Assert.assertTrue(MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS > 1);
      MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc,
-         JobStateInternal.REBOOT, 4);
+         JobStateInternal.REBOOT, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS);
      appMaster.init(conf);
      appMaster.start();
      //shutdown the job, not the lastRetry
@@ -144,7 +146,7 @@ import org.junit.Test;
      attemptId.setApplicationId(appId);
      ContainerAllocator mockAlloc = mock(ContainerAllocator.class);
      MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc,
-         JobStateInternal.REBOOT, MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS);
+         JobStateInternal.REBOOT, 1); //no retry
      appMaster.init(conf);
      appMaster.start();
      //shutdown the job, is lastRetry
@@ -201,8 +203,7 @@ import org.junit.Test;
      JobId jobid = recordFactory.newRecordInstance(JobId.class);
      jobid.setAppId(appId);
      ContainerAllocator mockAlloc = mock(ContainerAllocator.class);
-     MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc,
-         MRJobConfig.DEFAULT_MR_AM_MAX_ATTEMPTS);
+     MRAppMaster appMaster = new TestMRApp(attemptId, mockAlloc, 1); //no retry
      appMaster.init(conf);
      //simulate the process being killed
      MRAppMaster.MRAppMasterShutdownHook hook = 

Modified: hadoop/common/trunk/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/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java?rev=1477889&r1=1477888&r2=1477889&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/MRJobConfig.java Wed May  1 00:42:32 2013
@@ -677,6 +677,6 @@ public interface MRJobConfig {
    */
   public static final String MR_AM_MAX_ATTEMPTS = "mapreduce.am.max-attempts";
 
-  public static final int DEFAULT_MR_AM_MAX_ATTEMPTS = 1;
+  public static final int DEFAULT_MR_AM_MAX_ATTEMPTS = 2;
   
 }

Modified: hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml
URL: http://svn.apache.org/viewvc/hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml?rev=1477889&r1=1477888&r2=1477889&view=diff
==============================================================================
--- hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml (original)
+++ hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/resources/mapred-default.xml Wed May  1 00:42:32 2013
@@ -816,10 +816,11 @@
 
 <property>
   <name>mapreduce.am.max-attempts</name>
-  <value>1</value>
+  <value>2</value>
   <description>The maximum number of application attempts. It is a
   application-specific setting. It should not be larger than the global number
-  set by resourcemanager. Otherwise, it will be override.</description>
+  set by resourcemanager. Otherwise, it will be override. The default number is
+  set to 2, to allow at least one retry for AM.</description>
 </property>
 
 <!-- Job Notification Configuration -->