[GitHub] [arrow-datafusion] xudong963 commented on pull request #1720: substitute `parking_lot::Mutex` for `std::sync::Mutex`

[GitBox]

xudong963 commented on pull request #1720:
URL: 
https://github.com/apache/arrow-datafusion/pull/1720#issuecomment-1026997170


   **cause**: I just I'm just wondering if `parking_lot` is really fast 😄 if 
really, I'll dig into it.
   **procedure**: I use DF to do an experiment to verify my curiosity.
   **result**: Performance has really improved, so I think we can use it!


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