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https://issues.apache.org/jira/browse/YARN-8452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Miklos Szegedi reassigned YARN-8452:
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    Assignee:     (was: Szilard Nemeth)

> FairScheduler.update can take long time if 
> yarn.scheduler.fair.sizebasedweight is on
> ------------------------------------------------------------------------------------
>
>                 Key: YARN-8452
>                 URL: https://issues.apache.org/jira/browse/YARN-8452
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>            Reporter: Miklos Szegedi
>            Priority: Major
>
> Basically we recalculate the weight every time, even if the inputs did not 
> change. This causes high cpu usage, if the cluster has lots of apps.



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