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https://issues.apache.org/jira/browse/YARN-5731?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sunil G updated YARN-5731:
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Summary: Preemption does not work in few corner cases when reservations are
placed (was: Preemption does not work in few corner cases where reservations
are placed)
> Preemption does not work in few corner cases when 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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