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From "Sreekanth Ramakrishnan (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-522) Rewrite TestQueueCapacities to make it simpler and avoid timeout errors
Date Fri, 03 Jul 2009 10:39:47 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sreekanth Ramakrishnan updated MAPREDUCE-522:
---------------------------------------------

    Attachment: mapred-522-ydist.patch

Patch for Yahoo! distribution

> 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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