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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8578) Provide a mechanism for cleaning config items from LocalDirAllocator which will not be used anymore
Date Mon, 09 Jul 2012 05:34:34 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj K updated HADOOP-8578:
------------------------------

    Affects Version/s: 3.0.0
                       2.0.0-alpha
    
> 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
>    Affects Versions: 2.0.0-alpha, 3.0.0
>            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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