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

["Peter Bacsko (Jira)" <ji...@apache.org>]

Peter Bacsko created YARN-9841:
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             Summary: 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: Peter Bacsko


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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