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https://issues.apache.org/jira/browse/YARN-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16212372#comment-16212372
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Yufei Gu commented on YARN-4090:
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Committed to trunk, branch-3.0 and branch-2. Thanks for working on this,
[~xinxianyin] and [~zsl2007]. Thanks for the review, [~templedf]/[~kasha].
> Make Collections.sort() more efficient by caching resource usage
> ----------------------------------------------------------------
>
> Key: YARN-4090
> URL: https://issues.apache.org/jira/browse/YARN-4090
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: fairscheduler
> Affects Versions: 2.8.1, 3.0.0-alpha3
> Reporter: Xianyin Xin
> Assignee: Yufei Gu
> Attachments: YARN-4090-TestResult.pdf, YARN-4090-preview.patch,
> YARN-4090.001.patch, YARN-4090.002.patch, YARN-4090.003.patch,
> YARN-4090.004.patch, YARN-4090.005.patch, YARN-4090.006.patch,
> YARN-4090.007.patch, YARN-4090.008.patch, YARN-4090.009.patch, sampling1.jpg,
> sampling2.jpg
>
>
> Collections.sort() consumes too much time in a scheduling round.
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