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From "Prabhu Joseph (Jira)" <j...@apache.org>
Subject [jira] [Created] (YARN-9950) Unset Ordering Policy of Leaf/Parent queue converted from Parent/Leaf queue respectively
Date Sun, 03 Nov 2019 17:39:00 GMT
Prabhu Joseph created YARN-9950:
-----------------------------------

             Summary: Unset Ordering Policy of Leaf/Parent queue converted from Parent/Leaf
queue respectively
                 Key: YARN-9950
                 URL: https://issues.apache.org/jira/browse/YARN-9950
             Project: Hadoop YARN
          Issue Type: Sub-task
          Components: capacity scheduler
    Affects Versions: 3.3.0
            Reporter: Prabhu Joseph
            Assignee: Prabhu Joseph


RM fails to start when adding a queue (say root.A.A1) under a leaf queue (say root.A) with
ordering policy fifo.

YARN supports fifo or fair for leaf queue and utilization or priority-utilization for parent
queue. When the existing leaf queue (root.A) becomes parent queue - the ordering policy (fifo
or fair) has to be unset. Else YARN RM will fail as fifo or fair is not a valid queue ordering
policy for parent queue.

Similarly while removing a queue, unset ordering policy of leaf queue which converted from
parent queue.



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