icexelloss commented on PR #45330:
URL: https://github.com/apache/arrow/pull/45330#issuecomment-2625742487

   I wonder if we can have a mode to release the fragment once the data for 
that fragment has been read in a "scan once" usage pattern. But also I don't 
know how hard it is to change that.
   
   Per `physical_schema_` - I am not familiar with the details but it seems 
fine to me if this is "scan once" and the fragment is not used again? 


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