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From "Karthik Kambatla (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6246) Identifying starved apps does not need the scheduler writelock
Date Thu, 25 May 2017 00:40:04 GMT

    [ https://issues.apache.org/jira/browse/YARN-6246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16023954#comment-16023954
] 

Karthik Kambatla commented on YARN-6246:
----------------------------------------

Updated patch uses an AtomicLong for {{lastTimeAtMinShare}}.

> Identifying starved apps does not need the scheduler writelock
> --------------------------------------------------------------
>
>                 Key: YARN-6246
>                 URL: https://issues.apache.org/jira/browse/YARN-6246
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: fairscheduler
>    Affects Versions: 2.9.0
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>         Attachments: YARN-6246.001.patch, YARN-6246.002.patch, YARN-6246.003.patch, YARN-6246.004.patch
>
>
> Currently, the starvation checks are done holding the scheduler writelock. We are probably
better of doing this outside. 



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