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From "Hudson (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3537) DefaultContainerExecutor has a race condn. with multiple concurrent containers
Date Tue, 13 Dec 2011 06:49:31 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168175#comment-13168175
] 

Hudson commented on MAPREDUCE-3537:
-----------------------------------

Integrated in Hadoop-Common-trunk-Commit #1406 (See [https://builds.apache.org/job/Hadoop-Common-trunk-Commit/1406/])
    MAPREDUCE-3537. Fix race condition in DefaultContainerExecutor which led to container
localization occuring in wrong directories.

acmurthy : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1213575
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/DefaultContainerExecutor.java

                
> DefaultContainerExecutor has a race condn. with multiple concurrent containers
> ------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3537
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3537
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 0.23.0
>            Reporter: Arun C Murthy
>            Assignee: Arun C Murthy
>            Priority: Blocker
>             Fix For: 0.23.1
>
>         Attachments: MAPREDUCE-3537.patch
>
>
> DCE relies cwd before calling ContainerLocalizer.runLocalization. However, with multiple
containers setting cwd on same localFS reference leads to race. 

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