Github user mallman commented on the issue:
https://github.com/apache/spark/pull/14690
>> Btw I've noticed a significant performance difference between
ListingFileCatalog and TableFileCatalog's implementation of ListFiles. The
difference seems to be that ListingFileCatalog parallelizes file listing (which
is slower locally, but presumably faster when listing against remote storage on
a larger cluster).
> I'm aware of that and have created a patch to address that, I just
haven't pushed it yet.
I just pushed this commit. LMK what you think.
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