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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1609) TaskTracker.localizeJob should not set permissions on job log directory recursively
Date Tue, 27 Apr 2010 17:22:32 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12861461#action_12861461

Hadoop QA commented on MAPREDUCE-1609:

-1 overall.  Here are the results of testing the latest attachment 
  against trunk revision 938387.

    +1 @author.  The patch does not contain any @author tags.

    +1 tests included.  The patch appears to include 6 new or modified tests.

    +1 javadoc.  The javadoc tool did not generate any warning messages.

    +1 javac.  The applied patch does not increase the total number of javac compiler warnings.

    +1 findbugs.  The patch does not introduce any new Findbugs warnings.

    +1 release audit.  The applied patch does not increase the total number of release audit

    -1 core tests.  The patch failed core unit tests.

    +1 contrib tests.  The patch passed contrib unit tests.

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/362/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/362/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/362/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h3.grid.sp2.yahoo.net/362/console

This message is automatically generated.

> TaskTracker.localizeJob 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-1609-1.txt, patch-1609.txt
> Currently TaskTracker.localizeJob 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.
> This problem is missed by the patch for MAPREDUCE-927. The above problem never existed
before MAPREDUCE:927.

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