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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-2113) Add cross-user preemption within CapacityScheduler's leaf-queue
Date Thu, 18 May 2017 05:37:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-2113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16015229#comment-16015229
] 

Wangda Tan commented on YARN-2113:
----------------------------------

Discussed with [~sunilg] offline, I think the approach in [~sunilg]'s patch is correct, and
it looks like the most straightforward approach. I'm OK with continue this approach and get
the patch committed since it is related to intra-queue preemption feature.

[~eepayne], could you help to check if the latest patch works?

> Add cross-user preemption within CapacityScheduler's leaf-queue
> ---------------------------------------------------------------
>
>                 Key: YARN-2113
>                 URL: https://issues.apache.org/jira/browse/YARN-2113
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: scheduler
>            Reporter: Vinod Kumar Vavilapalli
>            Assignee: Sunil G
>         Attachments: IntraQueue Preemption-Impact Analysis.pdf, TestNoIntraQueuePreemptionIfBelowUserLimitAndDifferentPrioritiesWithExtraUsers.txt,
YARN-2113.0001.patch, YARN-2113.0002.patch, YARN-2113.0003.patch, YARN-2113.0004.patch, YARN-2113.0005.patch,
YARN-2113.0006.patch, YARN-2113.0007.patch, YARN-2113.0008.patch, YARN-2113.0009.patch, YARN-2113.0010.patch,
YARN-2113.0011.patch, YARN-2113.0012.patch, YARN-2113.0013.patch, YARN-2113.0014.patch, YARN-2113.0015.patch,
YARN-2113.0016.patch, YARN-2113.0017.patch, YARN-2113.0018.patch, YARN-2113.apply.onto.0012.ericp.patch,
YARN-2113 Intra-QueuePreemption Behavior.pdf, YARN-2113.v0.patch
>
>
> Preemption today only works across queues and moves around resources across queues per
demand and usage. We should also have user-level preemption within a queue, to balance capacity
across users in a predictable manner.



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