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Posted to common-dev@hadoop.apache.org by "Chris K Wensel (JIRA)" <ji...@apache.org> on 2008/09/18 17:42:44 UTC

[jira] Commented: (HADOOP-4202) TaskTracker never stops cleanup threads, MiniMRCluster becomes unstable

    [ https://issues.apache.org/jira/browse/HADOOP-4202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12632255#action_12632255 ] 

Chris K Wensel commented on HADOOP-4202:
----------------------------------------

I think HADOOP-3546 is responsible for the change.

> TaskTracker never stops cleanup threads, MiniMRCluster becomes unstable
> -----------------------------------------------------------------------
>
>                 Key: HADOOP-4202
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4202
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: test
>    Affects Versions: 0.18.0
>            Reporter: Chris K Wensel
>            Priority: Minor
>
> If many unit tests start/stop unique MiniMRCluster instances, over time the number of threads in the test vm grow to large causing tests to hang and/or slow down.

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