Manikandan R created YARN-9772:
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Summary: CapacitySchedulerQueueManager has incorrect list of queues
Key: YARN-9772
URL: https://issues.apache.org/jira/browse/YARN-9772
Project: Hadoop YARN
Issue Type: Bug
Reporter: Manikandan R
Assignee: Manikandan R
CapacitySchedulerQueueManager has incorrect list of queues when there is more
than one parent queue (say at middle level) with same name.
For example,
* root
** a
*** b
**** c
*** d
**** b
***** e
{{CapacitySchedulerQueueManager#getQueues}} maintains these list of queues.
While parsing "root.a.d.b", it overrides "root.a.b" with new Queue object in
the map because of similar name. After parsing all the queues, map count should
be 7, but it is 6. Any reference to queue "root.a.b" in code path is nothing
but "root.a.d.b" object. Since {{CapacitySchedulerQueueManager#getQueues}} has
been used in multiple places, will need to understand the implications in
detail. For example, {{CapapcityScheduler#getQueue}} has been used in many
places which in turn uses {{CapacitySchedulerQueueManager#getQueues. cc
[~eepayne], [~sunilg] }}
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