[YARN-7943] testCSReservationWithRootUnblocked() and testCSQueueBlocked() in TestCapacityScheduler are flaky - ASF JIRA

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Details

Type: Task
Status: Patch Available
Priority: Major
Resolution: Unresolved
Affects Version/s: None
Fix Version/s: None
Component/s: capacity scheduler, test
Labels:
- test

Description

testCSReservationWithRootUnblocked() and testCSQueueBlocked() test for the expected value of Used Resources in different queues after calling allocate() and CapacityScheduler.schedule().

If CapacityScheduler.schedule() gets executed more than a second after NodeAddedSchedulerEvent was handled, then the node will be skipped from scheduling. This results in test failure as the node resources will not be allocated and so the expected Used Resource value differs.