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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4090) Make Collections.sort() more efficient by caching resource usage
Date Fri, 20 Oct 2017 08:44:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16212372#comment-16212372
] 

Yufei Gu commented on YARN-4090:
--------------------------------

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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