Tassapol Athiapinya created YARN-2285:
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Summary: Preemption can cause capacity scheduler to show 5,000%
queue absolute used capacity.
Key: YARN-2285
URL: https://issues.apache.org/jira/browse/YARN-2285
Project: Hadoop YARN
Issue Type: Bug
Components: capacityscheduler
Affects Versions: 2.5.0
Environment: Turn on CS Preemption.
Reporter: Tassapol Athiapinya
Attachments: preemption_5000_percent.png
I configure queue A, B to have 1%, 99% capacity respectively. There is no max
capacity for each queue. Set high user limit factor.
Submit app 1 to queue A. AM container takes 50% of cluster memory. Task
containers take another 50%. Submit app 2 to queue B. Preempt task containers
of app 1 out. Turns out capacity of queue B increases to 99% but queue A has
5000% used.
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