Vaibhav Gumashta reassigned HIVE-19126:

    Assignee: Vaibhav Gumashta

> CachedStore: Use memory estimation to limit cache size during prewarm
> ---------------------------------------------------------------------
>                 Key: HIVE-19126
>                 URL: https://issues.apache.org/jira/browse/HIVE-19126
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Metastore
>    Affects Versions: 3.0.0
>            Reporter: Vaibhav Gumashta
>            Assignee: Vaibhav Gumashta
>            Priority: Major
> We can rely on 
> https://github.com/apache/hive/blob/master/llap-server/src/java/org/apache/hadoop/hive/llap/IncrementalObjectSizeEstimator.java
>  to estimate memory of SharedCache. This jira addresses the size estimation 
> during prewarm, so that we can stop when we hit the memory limit. In a 
> follow-up jira, we will work on estimation/eviction after prewarm is 
> complete, so that we can keep the frequently used tables and their partitions 
> in cache.

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