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Posted to yarn-issues@hadoop.apache.org by "Xiaoqiao He (Jira)" <ji...@apache.org> on 2023/04/29 03:21:00 UTC
[jira] [Resolved] (YARN-11482) Fix bug of DRF comparision DominantResourceFairnessComparator2 in fair scheduler
[ https://issues.apache.org/jira/browse/YARN-11482?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoqiao He resolved YARN-11482.
--------------------------------
Fix Version/s: 3.4.0
Hadoop Flags: Reviewed
Resolution: Fixed
> Fix bug of DRF comparision DominantResourceFairnessComparator2 in fair scheduler
> --------------------------------------------------------------------------------
>
> Key: YARN-11482
> URL: https://issues.apache.org/jira/browse/YARN-11482
> Project: Hadoop YARN
> Issue Type: Bug
> Components: fairscheduler
> Reporter: Xiaoqiao He
> Assignee: Xiaoqiao He
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
>
> DominantResourceFairnessComparator2 was using wrong resource info to get if one queue is needy or not now. We should fix it.
> {code:java}
> boolean s1Needy = resourceInfo1[dominant1].getValue() <
> minShareInfo1[dominant1].getValue();
> boolean s2Needy = resourceInfo1[dominant2].getValue() <
> minShareInfo2[dominant2].getValue();
> {code}
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