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https://issues.apache.org/jira/browse/MAPREDUCE-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated MAPREDUCE-1609:
-----------------------------------------------

    Attachment: patch-1609.txt

Patch for trunk.
Patch incorporates MAPREDUCE-1595 as part of this fix, because the added 
testcase hits MAPREDUCE-1595 first and then this issue.

> TaskTracker.lcoalizeJob should not set permissions on job log directory 
> recursively
> -----------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-1609
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1609
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.22.0
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.22.0
>
>         Attachments: MAPREDUCE-1609-20-1.patch, patch-1609.txt
>
>
> Currently TaskTracker.lcoalizeJob sets permissions (570 with 
> LinuxTaskController) on job log directory recursively. When the tracker 
> restarts/reinits, if there are new tasks for the job, localizeJob would find 
> attempt log directories for the earlier tasks. If the job has many tasks, it 
> would spend significant time in chmod'ing.
> Also, if a cleanup attempt is launched after the restart/reinit, we would hit 
> MAPREDUCE-1607.

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