Vaibhav Gumashta created HIVE-19126:
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Summary: 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
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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