Sergey Shelukhin updated HIVE-18934:
    Issue Type: Sub-task  (was: Bug)
        Parent: HIVE-18939

> LLAP: consider a simpler cache policy (SLRU?)
> ---------------------------------------------
>                 Key: HIVE-18934
>                 URL: https://issues.apache.org/jira/browse/HIVE-18934
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Priority: Major
> 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 
> LRU.

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