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From "genericqa (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-7682) Expose canAssign method in the PlacementConstraintManager
Date Tue, 26 Dec 2017 16:34:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-7682?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16303925#comment-16303925
] 

genericqa commented on YARN-7682:
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YARN-7682 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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| JIRA Issue | YARN-7682 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12903724/YARN-7682.wip.patch
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| Console output | https://builds.apache.org/job/PreCommit-YARN-Build/19032/console |
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This message was automatically generated.



> Expose canAssign method in the PlacementConstraintManager
> ---------------------------------------------------------
>
>                 Key: YARN-7682
>                 URL: https://issues.apache.org/jira/browse/YARN-7682
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Arun Suresh
>            Assignee: Panagiotis Garefalakis
>         Attachments: YARN-7682.wip.patch
>
>
> As per discussion in YARN-7613. Lets expose {{canAssign}} method in the PlacementConstraintManager
that takes a sourceTags, applicationId, SchedulerNode and AllocationTagsManager and returns
true if constraints are not violated by placing the container on the node.
> I prefer not passing in the SchedulingRequest, since it can have > 1 numAllocations.
We want this api to be called for single allocations.



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