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From "Ben Podgursky (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-5367) Local jobs all use same local working directory
Date Wed, 03 Jul 2013 22:18:21 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-5367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13699523#comment-13699523
] 

Ben Podgursky commented on MAPREDUCE-5367:
------------------------------------------

Oh awesome, didn't know that was fixed.  UUID is definitely unnecessary then.
                
> 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
>
> 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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