[YARN-9840] Capacity scheduler: add support for Secondary Group rule mapping

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Component/s: capacity scheduler
• Assignee: Manikandan R
• Reporter: Peter Bacsko
• Created: 19/Sep/19 08:02
• Updated: 17/Oct/19 16:22
• Resolved: 15/Oct/19 15:24

Description

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

Issue Links

• is depended upon by: YARN-9865 Capacity scheduler: add support for combined %user + %secondary_group mapping
• relates to: YARN-9841 Capacity scheduler: add support for combined %user + %primary_group mapping