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From "Jerry Chen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4810) Add admin command options for ApplicationMaster
Date Wed, 12 Dec 2012 01:37:21 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13529554#comment-13529554
] 

Jerry Chen commented on MAPREDUCE-4810:
---------------------------------------

I can contribute for this improvement if nobody is doing it.
                
> Add admin command options for ApplicationMaster
> -----------------------------------------------
>
>                 Key: MAPREDUCE-4810
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4810
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: applicationmaster
>    Affects Versions: 2.0.2-alpha, 0.23.4
>            Reporter: Jason Lowe
>            Priority: Minor
>
> It would be nice if the MR ApplicationMaster had the notion of admin options in addition
to the existing user options much like we have for map and reduce tasks, e.g.: mapreduce.admin.map.child.java.opts
vs. mapreduce.map.java.opts.  This allows site-wide configuration options for MR AMs but still
allows a user to easily override the heap size of the AM without worrying about dropping other
admin-specified options.

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