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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-6582) FSAppAttempt demand can be updated atomically in updateDemand()
Date Thu, 11 May 2017 00:38:04 GMT
Karthik Kambatla created YARN-6582:
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             Summary: FSAppAttempt demand can be updated atomically in updateDemand()
                 Key: YARN-6582
                 URL: https://issues.apache.org/jira/browse/YARN-6582
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Karthik Kambatla
            Assignee: Karthik Kambatla


FSAppAttempt#updateDemand first sets demand to 0, and then adds up all the outstanding requests.
Instead, we could use another variable tmpDemand to build the new value and atomically replace
the demand.



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