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https://issues.apache.org/jira/browse/HIVE-19126?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vaibhav Gumashta updated HIVE-19126:
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Attachment: HIVE-19126.3.patch
> 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
> Attachments: HIVE-19126.1.patch, HIVE-19126.2.patch,
> HIVE-19126.3.patch
>
>
> 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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