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From "winghc (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4161) Capacity Scheduler : Assign single or multiple containers per heart beat driven by configuration
Date Wed, 21 Oct 2015 15:23:27 GMT

    [ https://issues.apache.org/jira/browse/YARN-4161?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14967311#comment-14967311
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winghc commented on YARN-4161:
------------------------------

we just encountered this problem when we submit large job in our production env. using ambari,
which only support capacity scheduler.  Any patch there?

> Capacity Scheduler : Assign single or multiple containers per heart beat driven by configuration
> ------------------------------------------------------------------------------------------------
>
>                 Key: YARN-4161
>                 URL: https://issues.apache.org/jira/browse/YARN-4161
>             Project: Hadoop YARN
>          Issue Type: New Feature
>          Components: capacityscheduler
>            Reporter: Mayank Bansal
>            Assignee: Mayank Bansal
>
> Capacity Scheduler right now schedules multiple containers per heart beat if there are
more resources available in the node.
> This approach works fine however in some cases its not distribute the load across the
cluster hence throughput of the cluster suffers. I am adding feature to drive that using configuration
by that we can control the number of containers assigned per heart beat.



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