alamb commented on issue #18405:
URL: https://github.com/apache/datafusion/issues/18405#issuecomment-3482752945

   I think we need to balance tradeoffs here between:
   1. Something that is relatively simple to maintain and explain "out of the 
box"  (and configure, etc)
   2. More advanced usecases
   
   So while I agree with you that the default implementation of the metadata 
cache is tightly coupled with the eviction strategy, I think it is possible to 
plug in any arbitrary cache implementation (including eviction strategy) using 
the trait
   
   So I wonder, @abhita.  have you considered providing your own complete cache 
manager (perhaps based on `DefaultFilesMetadataCache`) for your usecase?


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