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https://issues.apache.org/jira/browse/MAPREDUCE-522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12726883#action_12726883
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Sreekanth Ramakrishnan commented on MAPREDUCE-522:
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output from ant test-patch:

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     [exec] +1 overall.
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     [exec]     +1 @author.  The patch does not contain any @author tags.
     [exec]
     [exec]     +1 tests included.  The patch appears to include 12 new or 
modified tests.
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     [exec]     +1 javadoc.  The javadoc tool did not generate any warning 
messages.
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     [exec]     +1 javac.  The applied patch does not increase the total number 
of javac compiler warnings.
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     [exec]     +1 findbugs.  The patch does not introduce any new Findbugs 
warnings.
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     [exec]     +1 release audit.  The applied patch does not increase the 
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> Rewrite TestQueueCapacities to make it simpler and avoid timeout errors
> -----------------------------------------------------------------------
>
>                 Key: MAPREDUCE-522
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-522
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>            Reporter: Hemanth Yamijala
>         Attachments: mapred-522-ydist.patch, mapreduce-522-2.patch, 
> mapreduce-522-3.patch, mapreduce-522-4.patch
>
>
> We have seen TestQueueCapacities fail periodically and there have been a 
> couple of times fixes partially fixed the problem, the most recent instance 
> being HADOOP-5869. I found another instance of failure, while running tests 
> locally while testing a different patch. This was a different symptom from 
> the ones we've seen before. The core problem is that the test is too complex 
> and relies on too many things working correctly to be useful. It would make 
> sense to revisit the purpose of the test and see if a simpler model can serve 
> it.

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