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Posted to yarn-issues@hadoop.apache.org by "Xianyin Xin (JIRA)" <ji...@apache.org> on 2015/09/02 14:13:46 UTC

[jira] [Updated] (YARN-4090) Make Collections.sort() more efficient in FSParentQueue.java

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

Xianyin Xin updated YARN-4090:
------------------------------
    Attachment: YARN-4090-preview.patch

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



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