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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-5086) MR app master deletes staging dir when sent a reboot command from the RM
Date Mon, 08 Apr 2013 16:15:16 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-5086?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Lowe updated MAPREDUCE-5086:
----------------------------------

       Resolution: Fixed
    Fix Version/s: 2.0.5-beta
     Hadoop Flags: Reviewed
           Status: Resolved  (was: Patch Available)

Merged to branch-2 as well.
                
> MR app master deletes staging dir when sent a reboot command from the RM
> ------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-5086
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-5086
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Jian He
>            Assignee: Jian He
>             Fix For: 2.0.5-beta
>
>         Attachments: YARN-472.1.patch, YARN-472.2.patch, YARN-472.3.patch, YARN-472.4.patch,
YARN-472.5.patch, YARN-472.6.patch, YARN-472.7.patch
>
>
> If the RM is restarted when the MR job is running, then it sends a reboot command to
the job. The job ends up deleting the staging dir and that causes the next attempt to fail.

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