[GitHub] [arrow] dafeiw commented on issue #35928: [Java] RefCnt has gone negative error

["dafeiw (via GitHub)" <gi...@apache.org>]

dafeiw commented on issue #35928:
URL: https://github.com/apache/arrow/issues/35928#issuecomment-1579131475

   Hi @lidavidm, thanks for your reply! The culprit of this issue is that we set `initReservation` to `Long.MaxValue` in one of child allocator.
   ```
   rootAllocator.newChildAllocator("FileWriter", Long.MaxValue, Long.MaxValue)
   ```  
   If I changed the `initReservation` to 0. I don't see the `RefCnt has gone negative error` anymore. 
   
   I'm still wondering how it relates to the issue. What's the best practice to configure the initReservation parameter? Do we always set it to 0?
   


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