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https://issues.apache.org/jira/browse/YARN-9840?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16944419#comment-16944419
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Peter Bacsko commented on YARN-9840:
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[[email protected]] as Prabhu asked above, pls check and fix the checkstyle
problems listed in
https://builds.apache.org/job/PreCommit-YARN-Build/24826/artifact/out/diff-checkstyle-hadoop-yarn-project_hadoop-yarn_hadoop-yarn-server_hadoop-yarn-server-resourcemanager.txt
> Capacity scheduler: add support for Secondary Group rule mapping
> ----------------------------------------------------------------
>
> Key: YARN-9840
> URL: https://issues.apache.org/jira/browse/YARN-9840
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacity scheduler
> Reporter: Peter Bacsko
> Assignee: Manikandan R
> Priority: Major
> Attachments: YARN-9840.001.patch, YARN-9840.002.patch
>
>
> Currently, Capacity Scheduler only supports primary group rule mapping like
> this:
> {{u:%user:%primary_group}}
> Fair scheduler already supports secondary group placement rule. Let's add
> this to CS to reduce the feature gap.
> Class of interest:
> https://github.com/apache/hadoop/blob/trunk/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/placement/UserGroupMappingPlacementRule.java
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