henrib opened a new pull request, #6022:
URL: https://github.com/apache/hive/pull/6022

   
   ### What changes were proposed in this pull request?
   Fixing the catalog cache behavior (take 2) by checking that a cached table 
metadata location is the same as the latest known metadata location for that 
table in HMS database to avoid returning stale entries.
   
   ### Why are the changes needed?
   To ensure the cache does not return stale entries using HA or when direct 
HMS calls are concurrent with REST Catalog usage.
   
   ### Does this PR introduce _any_ user-facing change?
   No
   
   ### How was this patch tested?
   Unit test
   


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