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https://issues.apache.org/jira/browse/MAPREDUCE-1506?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13018002#comment-13018002
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Nigel Daley commented on MAPREDUCE-1506:
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Any volunteers to look at this for 0.22? If not, I'd suggest punting this as a
blocker to 0.23.
> Assertion failure in TestTaskTrackerMemoryManager
> -------------------------------------------------
>
> Key: MAPREDUCE-1506
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1506
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: tasktracker
> Reporter: Aaron Kimball
> Priority: Blocker
> Fix For: 0.22.0
>
> Attachments:
> TEST-org.apache.hadoop.mapred.TestTaskTrackerMemoryManager.txt
>
>
> With asserts enabled, TestTaskTrackerMemoryManager sometimes fails. From what
> I've inspected, it's because some tasks are marked as FAILED/TIPFAILED while
> others are marked SUCCEEDED.
> This can be reproduced by applying MAPREDUCE-1092 and then running {{ant
> clean test -Dtestcase=TestTaskTrackerMemoryManager}}
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