Sergey Shelukhin created HIVE-18934:

             Summary: LLAP: consider a simpler cache policy (SLRU?)
                 Key: HIVE-18934
             Project: Hive
          Issue Type: Bug
            Reporter: Sergey Shelukhin

LRFU as it is is not so easy to tune and it's behavior is not intuitive from 
users perspective, esp. w.r.t. full scan resistance. 
We can consider simpler policies with more intuitive behavior, like segmented 

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