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From "Naganarasimha G R (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4492) Add documentation for queue level preemption which is supported in Capacity scheduler
Date Tue, 12 Jan 2016 16:43:40 GMT

    [ https://issues.apache.org/jira/browse/YARN-4492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15094226#comment-15094226
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Naganarasimha G R commented on YARN-4492:
-----------------------------------------

Thanks for the review [~eepayne],
 bq. The new section added to CapacityScheduler.md is titled * Queue preemption support. Should
these (and other preemption-related properties) should be documented here.
I felt it was required and i have re done the patch with following modifications
* It was wrongly documented in *Elasticity Feature* that pre-emption is not supported, have
corrected it.
* Captured all preemption configurations for capacity scheduler
* Created a new heading under configuration and have updated the contents
* Re organised the contents under configurations as Priority configuration was wrongly placed
in yarn-4098

> Add documentation for queue level preemption which is supported in Capacity scheduler
> -------------------------------------------------------------------------------------
>
>                 Key: YARN-4492
>                 URL: https://issues.apache.org/jira/browse/YARN-4492
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacity scheduler
>            Reporter: Naganarasimha G R
>            Assignee: Naganarasimha G R
>            Priority: Minor
>         Attachments: CapacityScheduler.html, YARN-4492.v1.001.patch, YARN-4492.v1.002.patch,
YARN-4492.v1.003.patch, YARN-4492.v2.001.patch
>
>
> As part of YARN-2056, Support has been added to disable preemption for a specific queue.
This is a useful feature in a multiload cluster but currently missing documentation. 



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