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Posted to yarn-issues@hadoop.apache.org by "Shuai Zhang (JIRA)" <ji...@apache.org> on 2018/09/19 02:11:00 UTC

[jira] [Created] (YARN-8792) Revisit FiarScheduler QueuePlacementPolicy

Shuai Zhang created YARN-8792:
---------------------------------

             Summary: Revisit FiarScheduler QueuePlacementPolicy 
                 Key: YARN-8792
                 URL: https://issues.apache.org/jira/browse/YARN-8792
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: fairscheduler
    Affects Versions: 3.1.1
            Reporter: Shuai Zhang


Fair scheduler use `QueuePlacementPolicy` to map a request to queue. There are several problems:
 # The termination of the responsibility chain should bind to the assigning result instead of the rule.
 # It should provide a reason when rejecting a request.
 # Still need more useful rules:
 ## RejectNonLeafQueue
 ## RejectDefaultQueue
 ## RejectUsers
 ## RejectQueues
 ## DefaultByUser



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