Varun Vasudev created YARN-2530:
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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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