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From "Subramaniam Venkatraman Krishnan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-2385) Adding support for move all applications from a source queue to destination queue
Date Wed, 06 Aug 2014 00:21:12 GMT

     [ https://issues.apache.org/jira/browse/YARN-2385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Subramaniam Venkatraman Krishnan updated YARN-2385:
---------------------------------------------------

    Assignee: Karthik Kambatla  (was: Carlo Curino)

> Adding support for move all applications from a source queue to destination queue
> ---------------------------------------------------------------------------------
>
>                 Key: YARN-2385
>                 URL: https://issues.apache.org/jira/browse/YARN-2385
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>            Reporter: Subramaniam Venkatraman Krishnan
>            Assignee: Karthik Kambatla
>              Labels: fairscheduler
>
> The CapacityScheduler is a rather static at the moment, and refreshqueue provides a rather
heavy-handed way to reconfigure it. Moving towards long-running services (tracked in YARN-896)
and to enable more advanced admission control and resource parcelling we need to make the
CapacityScheduler more dynamic. This is instrumental to the umbrella jira YARN-1051.
> Concretely this require the following changes:
> * create queues dynamically
> * destroy queues dynamically
> * dynamically change queue parameters (e.g., capacity) 
> * modify refreshqueue validation to enforce sum(child.getCapacity())<= 100% instead
of ==100%
> We limit this to LeafQueues. 



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