Konstantinos Karanasos commented on YARN-8394:

+1, thanks [~cheersyang].

> Improve data locality documentation for Capacity Scheduler
> ----------------------------------------------------------
>                 Key: YARN-8394
>                 URL: https://issues.apache.org/jira/browse/YARN-8394
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>            Priority: Major
>         Attachments: YARN-8394.001.patch, YARN-8394.002.patch
> YARN-6344 introduces a new parameter 
> {{yarn.scheduler.capacity.rack-locality-additional-delay}} in 
> capacity-scheduler.xml, we need to add some documentation in 
> {{CapacityScheduler.md}} accordingly.
> Moreover, we are seeing more and more clusters are separating storage and 
> computation where file system is always remote, in such cases we need to 
> introduce how to compromise data locality in CS otherwise MR jobs are 
> suffering.

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