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Date: Tue, 10 Jan 2012 03:13:41 +0000 (UTC)
From: "Hudson (Commented) (JIRA)" <jira@apache.org>
To: mapreduce-issues@hadoop.apache.org
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Subject: [jira] [Commented] (MAPREDUCE-3312) Make MR AM not send a
 stopContainer w/o corresponding start container
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    [ https://issues.apache.org/jira/browse/MAPREDUCE-3312?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13183045#comment-13183045 ] 

Hudson commented on MAPREDUCE-3312:
-----------------------------------

Integrated in Hadoop-Common-trunk-Commit #1518 (See [https://builds.apache.org/job/Hadoop-Common-trunk-Commit/1518/])
    MAPREDUCE-3312. Modified MR AM to not send a stop-container request for a container that isn't launched at all. Contributed by Robert Joseph Evans.

vinodkv : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1229451
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/launcher/ContainerLauncherImpl.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/main/java/org/apache/hadoop/mapreduce/v2/app/launcher/ContainerRemoteLaunchEvent.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-app/src/test/java/org/apache/hadoop/mapreduce/v2/app/launcher/TestContainerLauncherImpl.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-shuffle/src/main/java/org/apache/hadoop/mapred/ShuffleHandler.java

                
> Make MR AM not send a stopContainer w/o corresponding start container
> ---------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3312
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3312
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Robert Joseph Evans
>            Assignee: Robert Joseph Evans
>             Fix For: 0.23.1, 0.24.0
>
>         Attachments: MAPREDUCE-3312-20120109.1.txt, MR-3312.txt, MR-3312.txt, MR-3312.txt
>
>
> This is a follow on to MAPREDUCE-3274.  It is possible, although rare, for the MR AM to send a stop container before it sends a start container.  This needs to stop that from happening.  If a stop is found first it should prevent the start from being sent.  It tries to do this, but only if the stop is currently pending.

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