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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7763) Refactoring PlacementConstraintUtils APIs so PlacementProcessor/Scheduler can use the same API and implementation
Date Wed, 17 Jan 2018 00:15:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16328037#comment-16328037
] 

Weiwei Yang commented on YARN-7763:
-----------------------------------

Thanks [~leftnoteasy], [~asuresh], happy to help. I will look into this today, a few hours
later. 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
>
> 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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