alamb commented on issue #5427:
URL: https://github.com/apache/arrow-rs/issues/5427#issuecomment-1964820328

   >  but mainly that encouraging people to use object_store ensures they get 
the performance and behaviour they expect, with the common maintainer base 
allowing for efficient triage when people inevitably run into issues. 
   
   I am not sure that everyone has the same performance expectations or that 
object_store is the best interface for all uses of reading parquet.
   
   I would that @Xuanwo and the rest OpenDAL team would be the ones to triage 
issues related to reading/writing to parquet using OpenDAL and thus I do think 
having it in a separate crate would be good. 
   
   > It is already a significant undertaking supporting what we do currently, 
I'm less than enthusiastic about adding new storage backends and IO 
abstractions with very different behaviours and performance characteristics.
   
   Right, this is why I was thinking it would actually help maintenance if we 
separated the IO parts (`object_store`) from the parquet encoding/decoding 
parts. That way it would be clear where the responsibilities lay


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