kostovasandra commented on issue #38032:
URL: https://github.com/apache/arrow/issues/38032#issuecomment-1750235596

   The list of Metadata is huge. Its is a dataframe of 122635 rows and 6135 
columns (~700Mb). Data types of the columns are diffrent (character, numbers) 
and of course there can be included NUlls.
   Also to mention, to save the df to S3 takes ~1m, but to read it takes 10m


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