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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4090) Make Collections.sort() more efficient by
Date Fri, 04 Aug 2017 17:14:00 GMT

     [ https://issues.apache.org/jira/browse/YARN-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yufei Gu updated YARN-4090:
---------------------------
    Summary: Make Collections.sort() more efficient by   (was: Make Collections.sort() more
efficient in FSParentQueue.java)

> Make Collections.sort() more efficient by 
> ------------------------------------------
>
>                 Key: YARN-4090
>                 URL: https://issues.apache.org/jira/browse/YARN-4090
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>            Reporter: Xianyin Xin
>            Assignee: zhangshilong
>         Attachments: sampling1.jpg, sampling2.jpg, 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-preview.patch,
YARN-4090-TestResult.pdf
>
>
> Collections.sort() consumes too much time in a scheduling round.



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