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Posted to common-dev@hadoop.apache.org by "Vinod K V (JIRA)" <ji...@apache.org> on 2009/03/06 12:55:56 UTC
[jira] Created: (HADOOP-5428) Duplicate destroy of process trees in
TaskMemoryManager.
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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[jira] Assigned: (HADOOP-5428) Duplicate destroy of process trees
in TaskMemoryManager.
Posted by "Vinod K V (JIRA)" <ji...@apache.org>.
[ 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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