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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6619) AMRMClient Changes to use the PlacementConstraint and SchcedulingRequest objects
Date Wed, 17 Jan 2018 02:55:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16328202#comment-16328202
] 

Wangda Tan commented on YARN-6619:
----------------------------------

[~asuresh] , could u update java doc to mark unstable of this API?
{quote}If there are no tags in the scheduling request, then the scheduler should expect a
Placement Constraint, which applies to that specific scheduling request - that check I guess
is done in YARN-6599
{quote}
I'm not sure if I verified this, but in my mind, a SchedulingRequest without PlacementConstraint
should be treated same as ResourceRequest with resourceName = *. I'm not sure if we should
associate an empty tag or default tag with the container with null allocation tag, maybe we
shouldn't. Since this isn't related to the Jira, let's decide it later.

> AMRMClient Changes to use the PlacementConstraint and SchcedulingRequest objects
> --------------------------------------------------------------------------------
>
>                 Key: YARN-6619
>                 URL: https://issues.apache.org/jira/browse/YARN-6619
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
>            Priority: Major
>         Attachments: YARN-6619-YARN-6592.001.patch, YARN-6619-YARN-6592.002.patch, YARN-6619-YARN-6592.003.patch
>
>
> Opening this JIRA to track changes needed in the AMRMClient to incorporate the PlacementConstraint
and SchedulingRequest objects



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