Chris Trezzo commented on YARN-2781:

Converted to independent issue.

> support more flexible policy for uploading in shared cache
> ----------------------------------------------------------
>                 Key: YARN-2781
>                 URL: https://issues.apache.org/jira/browse/YARN-2781
>             Project: Hadoop YARN
>          Issue Type: New Feature
>            Reporter: Sangjin Lee
> Today all resources are always uploaded as long as the client wants to upload 
> it. We may want to implement a feature where the shared cache manager can 
> instruct the node managers not to upload under some circumstances.
> Some examples may be uploading a resource if it is seen more than N number of 
> times.
> This doesn't need to be included in the first version of the shared cache.

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