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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-5428) Duplicate destroy of process trees in TaskMemoryManager.
Date Fri, 06 Mar 2009 11:55:56 GMT
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
            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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