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https://issues.apache.org/jira/browse/HIVE-17495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16291800#comment-16291800
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Alexander Kolbasov commented on HIVE-17495:
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There are two lines of description here and 121K of patches - please provide
more description of what's going on here.
> CachedStore: prewarm improvement (avoid multiple sql calls to read partition
> column stats), refactoring and caching some aggregate stats
> ----------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-17495
> URL: https://issues.apache.org/jira/browse/HIVE-17495
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Reporter: Vaibhav Gumashta
> Assignee: Vaibhav Gumashta
> Attachments: HIVE-17495.1.patch, HIVE-17495.2.patch,
> HIVE-17495.3.patch, HIVE-17495.4.patch, HIVE-17495.5.patch, HIVE-17495.6.patch
>
>
> 1. One sql call to retrieve column stats objects for a db
> 2. Cache some aggregate stats for speedup
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