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https://issues.apache.org/jira/browse/HIVE-13922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rajesh Balamohan updated HIVE-13922:
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Attachment: HIVE-13922.1.patch
> Optimize the code path that analyzes/updates col stats
> ------------------------------------------------------
>
> Key: HIVE-13922
> URL: https://issues.apache.org/jira/browse/HIVE-13922
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Reporter: Rajesh Balamohan
> Priority: Minor
> Attachments: HIVE-13922.1.patch
>
>
> 1. Depending on the number of partitions,
> HiveMetastore::update_partition_column_statistics::getPartValsFromName
> obtains the same table several times.
> 2. In ObjectStore, number of get calls to obtain the column stats can be
> considerably reduced when writing table/partition stats.
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