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https://issues.apache.org/jira/browse/MAPREDUCE-399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer updated MAPREDUCE-399:
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Labels: newbie (was: )
> Duplicate destroy of process trees in TaskMemoryManager.
> --------------------------------------------------------
>
> Key: MAPREDUCE-399
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-399
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Priority: Minor
> Labels: newbie
>
> TaskMemoryManager currently works only on Linux and terminates tasks that
> transgress memory-limits by first calling TaskTracker.purgeTask() and then
> explicitly destroying the process tree to be sure that the whole process tree
> is cleaned up. After HADOOP-2721, we don't need this explicit process-tree
> destroying as the usual code-path of killing tasks itself takes care of
> cleaning up the whole process-trees.
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