Sunil G created YARN-5731:
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Summary: Preemption does not work in few corner cases where
reservations are placed
Key: YARN-5731
URL: https://issues.apache.org/jira/browse/YARN-5731
Project: Hadoop YARN
Issue Type: Bug
Components: capacity scheduler
Affects Versions: 2.7.3
Reporter: Sunil G
Assignee: Sunil G
Preemption doesnt kick in under below scenario.
Two queues A and B each with 50% capacity and 100% maximum capacity and user
limit factor 2. Job which is submitted to queueA has taken 95% of resources in
cluster. Remaining 5% was also reserved by same job as demand was still higher.
Now submit a small job with AM container size is lesser to above mentioned 5%.
Job waits and no preemption is happening.
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