Github user ericl commented on the issue:
https://github.com/apache/spark/pull/16500
I guess the only purpose of the cache now is to associate file-status
caches with specific table names. If we removed that, then tables would have to
find their file-status cache by path, or we could have a global file cache.
Maybe we also use it to hold the computed schema in some cases? Not sure if
that is always provided by the metastore.
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