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From "Jonathan Hung (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6686) Support for adding and removing queue mappings
Date Wed, 30 Aug 2017 22:25:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6686?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16148147#comment-16148147
] 

Jonathan Hung commented on YARN-6686:
-------------------------------------

Hi [~csexz], yes, this is a valid concern. Actually I discussed this previously with Wangda.
We will likely have to find a slightly different approach.

> Support for adding and removing queue mappings
> ----------------------------------------------
>
>                 Key: YARN-6686
>                 URL: https://issues.apache.org/jira/browse/YARN-6686
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Jonathan Hung
>            Assignee: Jonathan Hung
>         Attachments: YARN-6686-YARN-5734.001.patch
>
>
> Right now capacity scheduler uses UserGroupMappingPlacementRule to determine queue mappings.
This rule stores mappings in {{yarn.scheduler.capacity.queue-mappings}}. For users with a
large number of mappings, adding or removing queue mappings becomes infeasible.
> Need to come up with a way to add/remove individual mappings, for any/all different configured
placement rules.



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