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https://issues.apache.org/jira/browse/MAPREDUCE-1538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840386#action_12840386
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Hadoop QA commented on MAPREDUCE-1538:
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-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12437300/MAPREDUCE-1538.patch
against trunk revision 918037.
+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 failed core unit tests.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/13/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/13/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/13/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Mapreduce-Patch-h4.grid.sp2.yahoo.net/13/console
This message is automatically generated.
> TrackerDistributedCacheManager can fail because the number of subdirectories
> reaches system limit
> -------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-1538
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1538
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Affects Versions: 0.22.0
> Reporter: Scott Chen
> Assignee: Scott Chen
> Fix For: 0.22.0
>
> Attachments: MAPREDUCE-1538.patch
>
>
> TrackerDistributedCacheManager deletes the cached files when the size goes up
> to a configured number.
> But there is no such limit for the number of subdirectories. Therefore the
> number of subdirectories may grow large and exceed system limit.
> This will make TT cannot create directory when getLocalCache and fails the
> tasks.
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