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Posted to yarn-issues@hadoop.apache.org by "zhuqi (JIRA)" <ji...@apache.org> on 2018/06/08 04:05:00 UTC
[jira] [Commented] (YARN-7467) FSLeafQueue unnecessarily calls
ComputeFairShares.computeShare() to calculate fair share for apps
[ https://issues.apache.org/jira/browse/YARN-7467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505678#comment-16505678 ]
zhuqi commented on YARN-7467:
-----------------------------
[~templedf], i also find the unnecessary {{computeShares()}} and want to help the improvement, may i take this improvement, my patch is attached in the sub_task YARN-8406 .
Thanks.
> FSLeafQueue unnecessarily calls ComputeFairShares.computeShare() to calculate fair share for apps
> -------------------------------------------------------------------------------------------------
>
> Key: YARN-7467
> URL: https://issues.apache.org/jira/browse/YARN-7467
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: fairscheduler
> Affects Versions: 3.1.0
> Reporter: Daniel Templeton
> Assignee: Daniel Templeton
> Priority: Critical
>
> All apps have the same weight, the same max share (unbounded), and the same min share (none). There's no reason to call {{computeShares()}} at all. Just divide the resources by the number of apps.
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