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Posted to common-dev@hadoop.apache.org by "Vinod K V (JIRA)" <ji...@apache.org> on 2009/03/06 12:57:56 UTC

[jira] Assigned: (HADOOP-5428) Duplicate destroy of process trees in TaskMemoryManager.

     [ https://issues.apache.org/jira/browse/HADOOP-5428?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod K V reassigned HADOOP-5428:
---------------------------------

    Assignee: Vinod K V

> Duplicate destroy of process trees in TaskMemoryManager.
> --------------------------------------------------------
>
>                 Key: HADOOP-5428
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5428
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: mapred
>            Reporter: Vinod K V
>            Assignee: Vinod K V
>            Priority: Minor
>
> 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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