andygrove opened a new issue, #2171:
URL: https://github.com/apache/datafusion-comet/issues/2171

   ### What is the problem the feature request solves?
   
   Comet doesn't currently follow Arrow best practice when transferring batches 
from JVM to native code. Ownership is retained by the JVM after batches have 
been made available in FFI, requiring a copy to be made on the native side. 
   
   It would be better to pass ownership of batches to native rather than make 
copies.
   
   This design was necessary originally due to the use of mutable Parquet 
buffers in the `native_comet` Parquet scan.
   
   
   
   
   
   ### Describe the potential solution
   
   _No response_
   
   ### Additional context
   
   _No response_


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