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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 updated YARN-8452:
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Attachment: YARN-8452.000.patch
> 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
> Attachments: YARN-8452.000.patch
>
>
> 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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