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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HADOOP-5428) Duplicate destroy of process trees in TaskMemoryManager.
Date Fri, 06 Mar 2009 11:57:56 GMT

     [ 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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