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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1963) Support priorities across applications within the same queue
Date Tue, 17 Mar 2015 16:10:44 GMT

    [ https://issues.apache.org/jira/browse/YARN-1963?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14365408#comment-14365408

Sunil G commented on YARN-1963:

HI [~vinodkv] , [~leftnoteasy] , [~eepayne] [~jlowe]
Using a priority as integer itself to scheduler's will be the first target, A manager which
can act as a single point of contact which can translate from label to integer and vice versa.
Yes, this will be an added complexity in RM, but if it can be taken out of Scheduler it reduces
much of manipulation logic.


I feel we can make such label config in a common place which can be accessible for any schedulers.

> 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: 0001-YARN-1963-prototype.patch, 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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