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From "Mahadev konar (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3537) DefaultContainerExecutor has a race condn. with multiple concurrent containers
Date Tue, 13 Dec 2011 06:31:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168161#comment-13168161
] 

Mahadev konar commented on MAPREDUCE-3537:
------------------------------------------

+1 the patch looks good.
                
> 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
>         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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