Sangjin Lee created YARN-2781:
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             Summary: 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: Sub-task
            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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