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https://issues.apache.org/jira/browse/YARN-1923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13967242#comment-13967242
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Hudson commented on YARN-1923:
------------------------------
SUCCESS: Integrated in Hadoop-trunk-Commit #5508 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/5508/])
YARN-1923. Make Fair Scheduler resource ratio calculations terminate faster
(Anubhav Dhoot via Sandy Ryza) (sandy:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1586796)
* /hadoop/common/trunk/hadoop-yarn-project/CHANGES.txt
*
/hadoop/common/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/scheduler/fair/policies/ComputeFairShares.java
> Make FairScheduler resource ratio calculations terminate faster
> ---------------------------------------------------------------
>
> Key: YARN-1923
> URL: https://issues.apache.org/jira/browse/YARN-1923
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: scheduler
> Reporter: Anubhav Dhoot
> Assignee: Anubhav Dhoot
> Fix For: 2.5.0
>
> Attachments: YARN-1923.002.patch, YARN-1923.patch
>
>
> In fair scheduler computing shares continues till iterations are complete
> even when we have a perfect match between the resource shares and total
> resources. This is because the binary search checks only less or greater and
> not equals. Add an early termination condition when its equal
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