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From "Varun Vasudev (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-2530) MapReduce should take cpu into account when doing headroom calculations
Date Wed, 10 Sep 2014 18:21:33 GMT
Varun Vasudev created YARN-2530:
-----------------------------------

             Summary: MapReduce should take cpu into account when doing headroom calculations
                 Key: YARN-2530
                 URL: https://issues.apache.org/jira/browse/YARN-2530
             Project: Hadoop YARN
          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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