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