[jira] [Commented] (YARN-3306) [Umbrella] Proposing per-queue Policy driven scheduling in YARN

[Craig Welch (JIRA)]

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https://issues.apache.org/jira/browse/YARN-3306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14542746#comment-14542746
 ] 

Craig Welch commented on YARN-3306:
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I don't think it's really necessary at this point, we've been careful to keep 
the integration points narrow and controllable with configuration, as long as 
we continue to do that I don't think we need the separation of a branch.

> [Umbrella] Proposing per-queue Policy driven scheduling in YARN
> ---------------------------------------------------------------
>
>                 Key: YARN-3306
>                 URL: https://issues.apache.org/jira/browse/YARN-3306
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: scheduler
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Vinod Kumar Vavilapalli
>         Attachments: PerQueuePolicydrivenschedulinginYARN.pdf
>
>
> Scheduling layout in Apache Hadoop YARN today is very coarse grained. This 
> proposal aims at converting today’s rigid scheduling in YARN to a per­-queue 
> policy driven architecture.
> We propose the creation of a c​ommon policy framework​ and implement a​common 
> set of policies​ that administrators can pick and chose per queue
>  - Make scheduling policies configurable per queue
>  - Initially, we limit ourselves to a new type of scheduling policy that 
> determines the ordering of applications within the l​eaf ­queue
>  - In the near future, we will also pursue parent­ queue level policies and 
> potential algorithm reuse through a separate type of policies that control 
> resource limits per queue, user, application etc.



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