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From "Hadoop QA (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-3159) DefaultContainerExecutor removes appcache dir on every localization
Date Wed, 19 Oct 2011 07:19:10 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-3159?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13130430#comment-13130430
] 

Hadoop QA commented on MAPREDUCE-3159:
--------------------------------------

-1 overall.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12498509/mr-3159.txt
  against trunk revision .

    +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 appears to have generated 8 warning messages.

    -1 javac.  The applied patch generated 1707 javac compiler warnings (more than the trunk's
current 1706 warnings).

    -1 findbugs.  The patch appears to introduce 160 new Findbugs (version 1.3.9) warnings.

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

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

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

Test results: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1065//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1065//artifact/trunk/hadoop-mapreduce-project/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-common.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1065//artifact/trunk/hadoop-mapreduce-project/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-app.html
Findbugs warnings: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1065//artifact/trunk/hadoop-mapreduce-project/patchprocess/newPatchFindbugsWarningshadoop-mapreduce-client-core.html
Console output: https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/1065//console

This message is automatically generated.
                
> DefaultContainerExecutor removes appcache dir on every localization
> -------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3159
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3159
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: mrv2
>    Affects Versions: 0.23.0
>            Reporter: Todd Lipcon
>            Assignee: Todd Lipcon
>            Priority: Blocker
>         Attachments: mr-3159.txt, mr-3159.txt
>
>
> The DefaultContainerExecutor currently has code that removes the application dir from
appcache/ in the local directories on every task localization. This causes any concurrent
executing tasks from the same job to fail.

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