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From "Eric Payne (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5773) RM recovery too slow due to LeafQueue#activateApplication()
Date Thu, 27 Oct 2016 18:56:59 GMT

     [ https://issues.apache.org/jira/browse/YARN-5773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Payne updated YARN-5773:
-----------------------------
    Labels: oct16-medium  (was: )

> RM recovery too slow due to LeafQueue#activateApplication()
> -----------------------------------------------------------
>
>                 Key: YARN-5773
>                 URL: https://issues.apache.org/jira/browse/YARN-5773
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: capacity scheduler, rolling upgrade
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>            Priority: Critical
>              Labels: oct16-medium
>         Attachments: YARN-5773.0001.patch, YARN-5773.0002.patch, YARN-5773.0004.patch,
YARN-5773.0005.patch, YARN-5773.0006.patch, YARN-5773.003.patch
>
>
> # Submit application 10K application to default queue.
> # All applications are in accepted state
> # Now restart resourcemanager
> For each application recovery {{LeafQueue#activateApplications()}} is invoked.Resulting
in AM limit check to be done even before Node managers are getting registered.
> Total iteration for N application is about {{N(N+1)/2}} for {{10K}} application   {{50000000}}
iterations causing time take for Rm to be active more than 10 min.
> Since NM resources are not yet added to during recovery we should skip {{activateApplicaiton()}}




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