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From "Chris Nauroth (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5367) Local jobs all use same local working directory
Date Thu, 22 Aug 2013 00:00:52 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13747059#comment-13747059
] 

Chris Nauroth commented on MAPREDUCE-5367:
------------------------------------------

Hi, [~sandyr].  Have you seen MAPREDUCE-5470?  I'm wondering if we need to revert this patch
for now, or if you think we can move ahead with another patch in MAPREDUCE-5470.  Thanks!
                
> Local jobs all use same local working directory
> -----------------------------------------------
>
>                 Key: MAPREDUCE-5367
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5367
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>    Affects Versions: 1.2.0
>            Reporter: Sandy Ryza
>            Assignee: Sandy Ryza
>             Fix For: 1.3.0, 2.1.1-beta
>
>         Attachments: MAPREDUCE-5367-b1-1.patch, MAPREDUCE-5367-b1.patch, MAPREDUCE-5367.patch
>
>
> This means that local jobs, even in different JVMs, can't run concurrently because they
might delete each other's files during work directory setup.

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