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https://issues.apache.org/jira/browse/HADOOP-5493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12682327#action_12682327
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Hadoop QA commented on HADOOP-5493:
-----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12402265/hadoop-5493.patch
against trunk revision 754847.
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no tests are needed for this patch.
+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 Eclipse classpath. The patch retains Eclipse classpath integrity.
+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 failed contrib unit tests.
Test results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/67/testReport/
Findbugs warnings:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/67/artifact/trunk/build/test/findbugs/newPatchFindbugsWarnings.html
Checkstyle results:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/67/artifact/trunk/build/test/checkstyle-errors.html
Console output:
http://hudson.zones.apache.org/hudson/job/Hadoop-Patch-minerva.apache.org/67/console
This message is automatically generated.
> Shuffle copiers do not return Codecs back to the pool at the end of shuffling
> -----------------------------------------------------------------------------
>
> Key: HADOOP-5493
> URL: https://issues.apache.org/jira/browse/HADOOP-5493
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Reporter: Devaraj Das
> Assignee: Jothi Padmanabhan
> Priority: Blocker
> Fix For: 0.20.0
>
> Attachments: hadoop-5493.patch
>
>
> At the end of shuffle, the copiers should return back the codecs to the pool.
> This doesn't happen and can potentially lead to a lot of memory leak on the
> reduce task (depending on how many shuffle copiers there are).
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