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https://issues.apache.org/jira/browse/MAPREDUCE-6081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128889#comment-14128889
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Jason Lowe commented on MAPREDUCE-6081:
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Duplicate of MAPREDUCE-5279?
> MapReduce should take cpu into account when doing headroom calculations
> -----------------------------------------------------------------------
>
> Key: MAPREDUCE-6081
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6081
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Reporter: Varun Vasudev
> Assignee: Varun Vasudev
>
> Currently the MapReduce AM only uses memory when doing headroom calculation
> as well calculations about launching reducers. It would be preferable to
> account for CPU as well if the scheduler on the YARN side is using CPU when
> scheduling. YARN-2448 lets AMs know what resources are being considered when
> scheduling.
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