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https://issues.apache.org/jira/browse/YUNIKORN-3025?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Higgins updated YUNIKORN-3025:
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Priority: Minor (was: Major)
> Support for application-level preemption
> ----------------------------------------
>
> Key: YUNIKORN-3025
> URL: https://issues.apache.org/jira/browse/YUNIKORN-3025
> Project: Apache YuniKorn
> Issue Type: New Feature
> Components: core - scheduler
> Reporter: Eric Higgins
> Priority: Minor
>
> We would like to use Yunikorn's gang scheduling feature to schedule ML
> training jobs for different teams. We want to give each team a quota and
> allow them to borrow resources from other teams' quotas, but have their job
> preempted if the other team needs to use those resources. However, this seems
> to not be supported currently, as Yunikorn is missing application-level
> preemption. It will preempt individual pods until it has freed up enough
> resources, and those pods may not be from the same application. This is an
> issue for us because our training jobs are not fault-tolerant and will die if
> 1 pod gets killed, so we want to preempt an entire application at the same
> time.
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