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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-8578) Provide a mechanism for cleaning config items from LocalDirAllocator which will not be used anymore
Date Mon, 09 Jul 2012 05:13:35 GMT
Devaraj K created HADOOP-8578:
---------------------------------

             Summary: Provide a mechanism for cleaning config items from LocalDirAllocator
which will not be used anymore
                 Key: HADOOP-8578
                 URL: https://issues.apache.org/jira/browse/HADOOP-8578
             Project: Hadoop Common
          Issue Type: Improvement
            Reporter: Devaraj K


If we use DefaultContainerExecutor, for every application one config item is getting added
into the LocalDirAllocator.contexts and is not deleting forever and due to this nm throws
oom error after some time. This has been fixed with MAPREDUCE-4379 by adding removeContext()
api in LocalDirAllocator and explictly deleting after the application completion.


It would be good if we can clean the cache of config items from LocalDirAllocator when there
is no use with that furthermore.
https://issues.apache.org/jira/browse/MAPREDUCE-4379?focusedCommentId=13407237&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13407237

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