Prabhu Joseph created YARN-9925:
-----------------------------------
Summary: CapacitySchedulerQueueManager allows unsupported Queue
hierarchy
Key: YARN-9925
URL: https://issues.apache.org/jira/browse/YARN-9925
Project: Hadoop YARN
Issue Type: Bug
Reporter: Prabhu Joseph
Assignee: Prabhu Joseph
CapacitySchedulerQueueManager allows unsupported Queue hierarchy. When creating
a queue with same name as an existing parent queue name - it has to fail with
below.
{code:java}
Caused by: java.io.IOException: A is moved from:root.A to:root.B.A after
refresh, which is not allowed.Caused by: java.io.IOException: A is moved
from:root.A to:root.B.A after refresh, which is not allowed. at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerQueueManager.validateQueueHierarchy(CapacitySchedulerQueueManager.java:335)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacitySchedulerQueueManager.reinitializeQueues(CapacitySchedulerQueueManager.java:180)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.reinitializeQueues(CapacityScheduler.java:762)
at
org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler.reinitialize(CapacityScheduler.java:473)
... 70 more
{code}
In Some cases, the error is not thrown while creating the queue but thrown at
submission of job "Failed to submit application_1571677375269_0002 to YARN :
Application application_1571677375269_0002 submitted by user : systest to
non-leaf queue : B"
Below scenarios are allowed but it should not
{code}
1. It allows root.A.A1.B when root.B.B1 exists already.
1. Add root.A
2. Add root.A.A1
3. Add root.B
4. Add root.B.B1
5. Allows Add of root.A.A1.B
2. It allows two root queues:
1. Add root.A
2. Add root.B
3. Add root.A.A1
4. Allows Add of root.A.A1.root
{code}
Below scenario is handled properly:
{code}
1. It does not allow root.B.A when root.A.A1 exists already.
1. Add root.A
2. Add root.B
3. Add root.A.A1
4. Does not Allow Add of root.B.A
{code}
This error handling has to be consistent in all scenarios.
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