[jira] [Updated] (YARN-9841) Capacity scheduler: add support for combined %user + %primary_group mapping

["Manikandan R (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-9841?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manikandan R updated YARN-9841:
-------------------------------
    Attachment: YARN-9841.003.patch

> 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-9841.001.patch, YARN-9841.002.patch, YARN-9841.003.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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