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Posted to yarn-issues@hadoop.apache.org by "Yufei Gu (JIRA)" <ji...@apache.org> on 2017/07/13 00:00:04 UTC

[jira] [Updated] (YARN-6307) Refactor FairShareComparator#compare

     [ https://issues.apache.org/jira/browse/YARN-6307?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yufei Gu updated YARN-6307:
---------------------------
    Attachment: YARN-6307.001.patch

> Refactor FairShareComparator#compare
> ------------------------------------
>
>                 Key: YARN-6307
>                 URL: https://issues.apache.org/jira/browse/YARN-6307
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>            Reporter: Yufei Gu
>            Assignee: Yufei Gu
>         Attachments: YARN-6307.001.patch
>
>
> The method does three things: check the min share ratio, check weight ratio, break tied by submit time and name. They are mixed with each other which is not easy to read and maintenance,  poor style. Additionally, there are potential performance issues, like no need to calculate weight ratio every time. 



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