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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6594) [API] Introduce SchedulingRequest object
Date Mon, 10 Jul 2017 22:53:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6594?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16081309#comment-16081309
] 

Wangda Tan commented on YARN-6594:
----------------------------------

[~arun.suresh@gmail.com]

Agree with most of your points. Regarding to ContainerRequest, I'm not sure we should keep
it if we decide to deprecate AMRMClient. Same as my above comment, it's highly bound to MR-like
semantics.

I think we should not remove any of the AMRMClient/ContainerRequest logics, just deprecate
them. We can add support in RM side to convert placement-request / container-request / resource-request
to the unified representation. Applications can use AMRMClient as-is if they don't want to
move.

I didn't see any problems to support logics like AM re-registers in the new impl.

> [API] Introduce SchedulingRequest object
> ----------------------------------------
>
>                 Key: YARN-6594
>                 URL: https://issues.apache.org/jira/browse/YARN-6594
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Konstantinos Karanasos
>            Assignee: Konstantinos Karanasos
>         Attachments: YARN-6594.001.patch
>
>
> This JIRA introduces a new SchedulingRequest object.
> It will be part of the {{AllocateRequest}} and will be used to define sizing (e.g., number
of allocations, size of allocations) and placement constraints for allocations.
> Applications can use either this new object (when rich placement constraints are required)
or the existing {{ResourceRequest}} object.



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