milenkovicm opened a new issue, #1319:
URL: https://github.com/apache/datafusion-ballista/issues/1319

   **Is your feature request related to a problem or challenge? Please describe 
what you are trying to do.**
   
   shuffle files execs could be improved in few ways
   
   - [ ] make better metrics, especially at reader side
   - [ ] offload I/O operations to dedicated executor
   - [ ] offload arrow flight server to dedicated executor
   
   **Describe the solution you'd like**
   
   there is design document at in #660
   
   **Describe alternatives you've considered**
   
   **Additional context**
   
   - [ ] #1287
   - [ ] #660
   


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