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Posted to yarn-issues@hadoop.apache.org by "Daniel Templeton (JIRA)" <ji...@apache.org> on 2017/10/05 11:16:01 UTC
[jira] [Commented] (YARN-4090) Make Collections.sort() more
efficient by caching resource usage
[ https://issues.apache.org/jira/browse/YARN-4090?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16192751#comment-16192751 ]
Daniel Templeton commented on YARN-4090:
----------------------------------------
LGTM +1 I'll commit it on Monday.
> 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: 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-4090.009.patch, YARN-4090-preview.patch, YARN-4090-TestResult.pdf
>
>
> Collections.sort() consumes too much time in a scheduling round.
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