VADAGA ANANYO RAO created YARN-10591:
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Summary: Allow USERLIMIT_FIRST as only valid configuration when
FairOrdering is used
Key: YARN-10591
URL: https://issues.apache.org/jira/browse/YARN-10591
Project: Hadoop YARN
Issue Type: Improvement
Components: capacity scheduler
Reporter: VADAGA ANANYO RAO
Assignee: VADAGA ANANYO RAO
When FairOrderingPolicy is being used in CapacityScheduler, we should only
allow for USERLIMIT_FIRST.
The alternate option to USERLIMIT_FIRST is PRIORITY_FIRST. However, application
priorities create anti-patterns with fairness. So we should not allow for
PRIORITY_FIRST to be set.
This Jira is to add validation check to ensure only USERLIMIT_FIRST is set if
FairOrderingPolicy is being used.
cc: [~sunilg] [~leftnoteasy] [~epayne]
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