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Posted to yarn-issues@hadoop.apache.org by "Karthik Kambatla (JIRA)" <ji...@apache.org> on 2017/05/11 00:38:04 UTC
[jira] [Created] (YARN-6582) FSAppAttempt demand can be updated
atomically in updateDemand()
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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