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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1963) Support priorities across applications within the same queue
Date Thu, 19 Feb 2015 19:34:14 GMT

    [ https://issues.apache.org/jira/browse/YARN-1963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14327995#comment-14327995
] 

Wangda Tan commented on YARN-1963:
----------------------------------

One more question: I didn't see there's an API proposed to update app priority, I think it
may be very useful when a job ran for some time, and need get completed as soon as we can.

Is this a valid use case that we need to do within YARN-1963 scope?

> Support priorities across applications within the same queue 
> -------------------------------------------------------------
>
>                 Key: YARN-1963
>                 URL: https://issues.apache.org/jira/browse/YARN-1963
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: api, resourcemanager
>            Reporter: Arun C Murthy
>            Assignee: Sunil G
>         Attachments: YARN Application Priorities Design.pdf, YARN Application Priorities
Design_01.pdf
>
>
> It will be very useful to support priorities among applications within the same queue,
particularly in production scenarios. It allows for finer-grained controls without having
to force admins to create a multitude of queues, plus allows existing applications to continue
using existing queues which are usually part of institutional memory.



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