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https://issues.apache.org/jira/browse/YARN-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15257957#comment-15257957
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Karthik Kambatla commented on YARN-4090:
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Sorry for the confusion here. We had some issues with YARN-1297 and have moved
this part of the change back here. [~yufeigu] ran into some issues with
existing tests. [~xinxianyin] - are you able to post a patch that passes the
tests?
> Make Collections.sort() more efficient in FSParentQueue.java
> ------------------------------------------------------------
>
> Key: YARN-4090
> URL: https://issues.apache.org/jira/browse/YARN-4090
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: fairscheduler
> Reporter: Xianyin Xin
> Assignee: Xianyin Xin
> Attachments: YARN-4090-TestResult.pdf, YARN-4090-preview.patch,
> sampling1.jpg, sampling2.jpg
>
>
> Collections.sort() consumes too much time in a scheduling round.
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