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From "Arun C Murthy (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3159) DefaultContainerExecutor removes appcache dir on every localization
Date Tue, 25 Oct 2011 01:10:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13134677#comment-13134677
] 

Arun C Murthy commented on MAPREDUCE-3159:
------------------------------------------

No worries, go ahead. Please commit to both trunk and branch-0.23. Thanks.
                
> DefaultContainerExecutor removes appcache dir on every localization
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3159
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3159
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>             Fix For: 0.23.0
>
>         Attachments: fix-jdoc.txt, mr-3159.txt, mr-3159.txt, mr-3159.txt
>
>
> The DefaultContainerExecutor currently has code that removes the application dir from
appcache/ in the local directories on every task localization. This causes any concurrent
executing tasks from the same job to fail.

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