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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