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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2385) Adding support for listing all applications in a queue
Date Thu, 14 Aug 2014 00:08:12 GMT

    [ https://issues.apache.org/jira/browse/YARN-2385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14096329#comment-14096329

Wangda Tan commented on YARN-2385:

I think we might not need maintain completed apps CS and Fair after thought about it. Maintain
such fields is not original responsibility designed for scheduler.
And for now, user can get completed container via REST API, that should be able to cover most
use cases. 

> Adding support for listing all applications in a queue
> ------------------------------------------------------
>                 Key: YARN-2385
>                 URL: https://issues.apache.org/jira/browse/YARN-2385
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: capacityscheduler, fairscheduler
>            Reporter: Subramaniam Venkatraman Krishnan
>            Assignee: Karthik Kambatla
>              Labels: abstractyarnscheduler
> This JIRA proposes adding a method in AbstractYarnScheduler to get all the pending/active
applications. Fair scheduler already supports moving a single application from one queue to
another. Support for the same is being added to Capacity Scheduler as part of YARN-2378 and
YARN-2248. So with the addition of this method, we can transparently add support for moving
all applications from source queue to target queue and draining a queue, i.e. killing all
applications in a queue as proposed by YARN-2389

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