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https://issues.apache.org/jira/browse/YARN-9841?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16937163#comment-16937163
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Peter Bacsko commented on YARN-9841:
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Thanks [~maniraj...@gmail.com], looks very interesting. I'll check it out
myself. If this is a bug, then yeah, we have to file a JIRA for it.
> Capacity scheduler: add support for combined %user + %primary_group mapping
> ---------------------------------------------------------------------------
>
> Key: YARN-9841
> URL: https://issues.apache.org/jira/browse/YARN-9841
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: capacity scheduler
> Reporter: Peter Bacsko
> Assignee: Manikandan R
> Priority: Major
> Attachments: YARN-9841.001.patch, YARN-9841.junit.patch
>
>
> Right now in CS, using {{%primary_group}} with a parent queue is only
> possible this way:
> {{u:%user:parentqueue.%primary_group}}
> Looking at
> 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,
> we cannot do something like:
> {{u:%user:%primary_group.%user}}
> Fair Scheduler supports a nested rule where such a placement/mapping rule is
> possible. This improvement would reduce this feature gap.
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