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https://issues.apache.org/jira/browse/SPARK-27750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-27750.
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Resolution: Not A Problem
> Standalone scheduler - ability to prioritize applications over drivers, many
> drivers act like Denial of Service
> ---------------------------------------------------------------------------------------------------------------
>
> Key: SPARK-27750
> URL: https://issues.apache.org/jira/browse/SPARK-27750
> Project: Spark
> Issue Type: New Feature
> Components: Scheduler
> Affects Versions: 3.0.0
> Reporter: t oo
> Priority: Minor
>
> If I submit 1000 spark submit drivers then they consume all the cores on my
> cluster (essentially it acts like a Denial of Service) and no spark
> 'application' gets to run since the cores are all consumed by the 'drivers'.
> This feature is about having the ability to prioritize applications over
> drivers so that at least some 'applications' can start running. I guess it
> would be like: If (driver.state = 'submitted' and (exists some app.state =
> 'submitted')) then set app.state = 'running'
> if all apps have app.state = 'running' then set driver.state = 'submitted'
>
> Secondary to this, why must a driver consume a minimum of 1 entire core?
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