westonpace commented on PR #13442:
URL: https://github.com/apache/arrow/pull/13442#issuecomment-1170226163

   > Would the "better" approach be something like determine optimal block_size 
based on blob size unless manually specified on ReadOptions?
   
   @raulcd I think so.  Either grow the block size when a large blob is 
encountered or gather the blocks in a queue until read to process.  It should 
be fairly straightforward for a single-threaded reader but might be more 
complicated if we have a multi-threaded JSONL reader (I don't recall which the 
current reader is).


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