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https://issues.apache.org/jira/browse/YARN-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16436989#comment-16436989
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Weiwei Yang commented on YARN-8015:
-----------------------------------
Uploaded v1 patch, changes outline:
Added some UT in {{TestSchedulingRequestContainerAllocation}} to cover:
* Inter-app constraints by namespace, including all/not-self/app-id/app-tag
* Inter-app composite constraints, specify constraints like AND(P1, P2)
* Inter-app constraints with multiple source targets
Simplified validations in {{SingleConstraintAppPlacementAllocator}}, removed
unnecessary checks including
* Only allow single constraint
* Only support node scope
* Only support anti-affinity
Remove unnecessary validations in {{TestSingleConstraintAppPlacementAllocator}}
accordingly
> Support allocation tag namespaces in AppPlacementAllocator
> ----------------------------------------------------------
>
> Key: YARN-8015
> URL: https://issues.apache.org/jira/browse/YARN-8015
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: capacity scheduler
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Priority: Major
>
> AppPlacementAllocator currently only supports intra-app anti-affinity
> placement constraints, once YARN-8002 and YARN-8013 are resolved, it needs to
> support inter-app constraints too. Also, this may require some refactoring on
> the existing code logic. Use this JIRA to track.
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