[jira] [Created] (YARN-2644) Recalculate headroom more frequently to keep it accurate

[Craig Welch (JIRA)]

Craig Welch created YARN-2644:
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             Summary: Recalculate headroom more frequently to keep it accurate
                 Key: YARN-2644
                 URL: https://issues.apache.org/jira/browse/YARN-2644
             Project: Hadoop YARN
          Issue Type: Sub-task
            Reporter: Craig Welch






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