[jira] [Created] (YARN-9840) Capacity scheduler: add support for Secondary Group user mapping

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

Peter Bacsko created YARN-9840:
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             Summary: Capacity scheduler: add support for Secondary Group user mapping
                 Key: YARN-9840
                 URL: https://issues.apache.org/jira/browse/YARN-9840
             Project: Hadoop YARN
          Issue Type: Improvement
            Reporter: Peter Bacsko
            Assignee: Peter Bacsko


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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