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Posted to yarn-issues@hadoop.apache.org by "Joep Rottinghuis (JIRA)" <ji...@apache.org> on 2015/07/22 07:07:05 UTC

[jira] [Commented] (YARN-3176) In Fair Scheduler, child queue should inherit maxApp from its parent

    [ https://issues.apache.org/jira/browse/YARN-3176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14636244#comment-14636244 ] 

Joep Rottinghuis commented on YARN-3176:
----------------------------------------

For the record, we're running with this patch in production at Twitter.

> In Fair Scheduler, child queue should inherit maxApp from its parent
> --------------------------------------------------------------------
>
>                 Key: YARN-3176
>                 URL: https://issues.apache.org/jira/browse/YARN-3176
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Siqi Li
>            Assignee: Siqi Li
>         Attachments: YARN-3176.v1.patch, YARN-3176.v2.patch
>
>
> if the child queue does not have a maxRunningApp limit, it will use the queueMaxAppsDefault. This behavior is not quite right, since queueMaxAppsDefault is normally a small number, whereas some parent queues do have maxRunningApp set to be more than the default



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