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https://issues.apache.org/jira/browse/MAPREDUCE-2327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13026192#comment-13026192
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Hadoop QA commented on MAPREDUCE-2327:
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+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12477614/mapreduce-2327.txt
against trunk revision 1097315.
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 4 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 (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 core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
+1 system test framework. The patch passed system test framework compile.
Test results:
https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/191//testReport/
Findbugs warnings:
https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/191//artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Console output:
https://builds.apache.org/hudson/job/PreCommit-MAPREDUCE-Build/191//console
This message is automatically generated.
> MapTask doesn't need to put username information in SpillRecord
> ---------------------------------------------------------------
>
> Key: MAPREDUCE-2327
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2327
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Blocker
> Fix For: 0.22.0
>
> Attachments: mapreduce-2327.txt, mapreduce-2327.txt, mr-2327.txt
>
>
> This is an amendment to MAPREDUCE-2096 that's found in Yahoo's 0.20.100
> branch.
> This bug causes task failures in the following case:
> - Cluster is not set up with LinuxTaskController (ie not secured cluster)
> - Job submitter is not the same as the user running the TT
> - Map output is more than one spill's worth
> The issue is that UserGroupInformation's view of the current user is the job
> submitter, but on disk the spill files will be owned by the TT user. SecureIO
> will then fail when constructing the spill record.
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