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https://issues.apache.org/jira/browse/YARN-7763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16329831#comment-16329831
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Weiwei Yang commented on YARN-7763:
-----------------------------------

Hi [~leftnoteasy]

I am fine that to get YARN-6599 in first. The other public API is only used in 
test cases, I'll try remove that in next patch once YARN-6599 gets in. Thanks.

> Refactoring PlacementConstraintUtils APIs so PlacementProcessor/Scheduler can 
> use the same API and implementation
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-7763
>                 URL: https://issues.apache.org/jira/browse/YARN-7763
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Wangda Tan
>            Assignee: Weiwei Yang
>            Priority: Blocker
>         Attachments: YARN-7763-YARN-6592.001.patch
>
>
> As I mentioned on YARN-6599, we will add SchedulingRequest as part of the 
> PlacementConstraintUtil method and both of processor/scheduler implementation 
> will use the same logic. The logic looks like:
> {code:java}
> PlacementConstraint pc = schedulingRequest.getPlacementConstraint();
> If (pc == null) {
>   pc = 
> PlacementConstraintMgr.getPlacementConstraint(schedulingRequest.getAllocationTags());
> }
> // Do placement constraint match ...{code}



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