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https://issues.apache.org/jira/browse/HADOOP-4721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12650594#action_12650594
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Ceki Gulcu commented on HADOOP-4721:
------------------------------------

Try setting the 'immediateFlush'  property of your FileAppender to true. 

If that is already the case, is it possible that the data being logged is very 
large?


> OOM in .TestSetupAndCleanupFailure
> ----------------------------------
>
>                 Key: HADOOP-4721
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4721
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.20.0
>         Environment: 64 bit linux with JRockit 64-bit JVM
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>            Priority: Minor
>
> The root cause may be my lifecycle changes, but I'm seeing an OOM in 
> TestSetupAndCleanupFailure

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