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https://issues.apache.org/jira/browse/YARN-6582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16450792#comment-16450792
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Hudson commented on YARN-6582:
------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14057 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/14057/])
YARN-6582. FSAppAttempt demand can be updated atomically in (xyao: rev
a9010d31baf7affe7783732b5f1c9736506c3c91)
* (edit)
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/FSAppAttempt.java
> 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
> Priority: Major
> Fix For: 2.9.0, 3.0.0-alpha4
>
> Attachments: YARN-6582.001.patch
>
>
> 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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