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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1497) TaskTracker.indexCache is incorrectly synchronized
Date Tue, 16 Feb 2010 14:40:28 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12834230#action_12834230
] 

Hadoop QA commented on MAPREDUCE-1497:
--------------------------------------

+1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12435966/patch-1497.txt
  against trunk revision 910465.

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

    +1 tests included.  The patch appears to include 3 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
warnings.

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

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

Test results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/456/testReport/
Findbugs warnings: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/456/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/456/artifact/trunk/build/test/checkstyle-errors.html
Console output: http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h6.grid.sp2.yahoo.net/456/console

This message is automatically generated.

> TaskTracker.indexCache is incorrectly synchronized
> --------------------------------------------------
>
>                 Key: MAPREDUCE-1497
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1497
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>            Reporter: Amareshwari Sriramadasu
>             Fix For: 0.22.0
>
>         Attachments: patch-1497.txt
>
>
> TaskTracker.indexCache is incorrectly synchronized. 
> It is not accessed synchronously from MapOutputServlet.doGet, TaskCleanupThread and 
TaskTracker.killOverflowingTasks() method. Other callers access it synchronously.

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