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From "Yufei Gu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-4090) Make Collections.sort() more efficient by caching resource usage
Date Thu, 14 Sep 2017 07:50:02 GMT

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

Yufei Gu updated YARN-4090:
    Attachment: YARN-4090.008.patch

Thanks for the review, [~templedf]. Uploaded patch v8 for your first comment. I've changed
function name to {{incUsedResource}} and {{decUsedResource}}, I didn't extract the functions
into class {{Queue}} since the one in CS has different function signatures. We could do that
refactor while we add node label to FS. 

> 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
>            Reporter: Xianyin Xin
>            Assignee: Yufei Gu
>         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-4090.007.patch,
YARN-4090.008.patch, YARN-4090-preview.patch, YARN-4090-TestResult.pdf
> Collections.sort() consumes too much time in a scheduling round.

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