zhuqi-lucas commented on PR #18112:
URL: https://github.com/apache/datafusion/pull/18112#issuecomment-3451544454

   > I think this PR is not needed after we close
   > 
   > * [Reduce number of object store requests when reading parquet files by 
default (set `metadata_size_hint`) 
#18118](https://github.com/apache/datafusion/issues/18118)
   > 
   > Specifically, the tests added in the following PR show that with a 
sufficient prefetch_hint size, only 1 object store request will be performed:
   > 
   > * [Change default prefetch_hint to 512Kb to reduce number of object store 
requests when reading parquet files 
#18160](https://github.com/apache/datafusion/pull/18160)
   
   Thank you @alamb , closing this PR now.


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