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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2257) Add user to queue mapping in Fair-Scheduler
Date Mon, 07 Jul 2014 16:52:34 GMT

    [ https://issues.apache.org/jira/browse/YARN-2257?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14053846#comment-14053846
] 

Sandy Ryza commented on YARN-2257:
----------------------------------

Definitely needed.  This should be implemented as a QueuePlacementRule.

> Add user to queue mapping in Fair-Scheduler
> -------------------------------------------
>
>                 Key: YARN-2257
>                 URL: https://issues.apache.org/jira/browse/YARN-2257
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: scheduler
>            Reporter: Patrick Liu
>              Labels: features
>
> Currently, the fair-scheduler supports two modes, default queue or individual queue for
each user.
> Apparently, the default queue is not a good option, because the resources cannot be managed
for each user or group.
> However, individual queue for each user is not good enough. Especially when connecting
yarn with hive. There will be increasing hive users in a corporate environment. If we create
a queue for a user, the resource management will be hard to maintain.
> I think the problem can be solved like this:
> 1. Define user->queue mapping in Fair-Scheduler.xml. Inside each queue, use aclSubmitApps
to control user's ability.
> 2. Each time a user submit an app to yarn, if the user has mapped to a queue, the app
will be scheduled to that queue; otherwise, the app will be submitted to default queue.
> 3. If the user cannot pass aclSubmitApps limits, the app will not be accepted.



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