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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-5783) Verify applications are identified starved
Date Wed, 09 Nov 2016 00:29:58 GMT

    [ https://issues.apache.org/jira/browse/YARN-5783?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15649334#comment-15649334
] 

Daniel Templeton commented on YARN-5783:
----------------------------------------

As with almost everything in FS and CS, the concepts exist in both and ideally could be abstracted
into common code, but the devil is in the details.  Sounds like good future work.

+1 for the latest patch.  I'll commit tomorrow morning.

> Verify applications are identified starved
> ------------------------------------------
>
>                 Key: YARN-5783
>                 URL: https://issues.apache.org/jira/browse/YARN-5783
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>    Affects Versions: 2.8.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>              Labels: oct16-medium
>         Attachments: yarn-5783.YARN-4752.1.patch, yarn-5783.YARN-4752.2.patch, yarn-5783.YARN-4752.3.patch,
yarn-5783.YARN-4752.4.patch, yarn-5783.YARN-4752.5.patch, yarn-5783.YARN-4752.6.patch, yarn-5783.YARN-4752.7.patch,
yarn-5783.YARN-4752.8.patch
>
>
> JIRA to track unit tests to verify the identification of starved applications. An application
should be marked starved only when:
> # Cluster allocation is over the configured threshold for preemption.
> # Preemption is enabled for a queue and any of the following:
> ## The queue is under its minshare for longer than minsharePreemptionTimeout
> ## One of the queue’s applications is under its fairshare for longer than fairsharePreemptionTimeout.



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