Arun Suresh reassigned YARN-3691:

    Assignee: Arun Suresh

> Limit number of reservations for an app
> ---------------------------------------
>                 Key: YARN-3691
>                 URL: https://issues.apache.org/jira/browse/YARN-3691
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: fairscheduler
>            Reporter: Arun Suresh
>            Assignee: Arun Suresh
> Currently, It is possible to reserve resource for an app on all nodes. 
> Limiting this to possibly just a number of nodes (or a ratio of the total 
> cluster size) would improve utilization of the cluster and will reduce the 
> possibility of starving other apps.

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