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Type:
Sub-task
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Status: Resolved
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 3.3.0
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Component/s: capacity scheduler
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Labels:None
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Hadoop Flags:Reviewed
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.