[jira] [Assigned] (YARN-2257) Add user to queue mappings to automatically place users' apps into specific queues

["Vinod Kumar Vavilapalli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-2257?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vinod Kumar Vavilapalli reassigned YARN-2257:
---------------------------------------------

    Assignee: Vinod Kumar Vavilapalli

Assigning this to myself. Will post the first patch set. [~Patrick Liu], let me know if you yourself wanted to work on it.. Tx..

> Add user to queue mappings to automatically place users' apps into specific queues
> ----------------------------------------------------------------------------------
>
>                 Key: YARN-2257
>                 URL: https://issues.apache.org/jira/browse/YARN-2257
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: scheduler
>            Reporter: Patrick Liu
>            Assignee: Vinod Kumar Vavilapalli
>              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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