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From "Rajesh Balamohan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-13922) Optimize the code path that analyzes/updates col stats
Date Thu, 02 Jun 2016 07:26:59 GMT

     [ https://issues.apache.org/jira/browse/HIVE-13922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rajesh Balamohan updated HIVE-13922:
------------------------------------
    Issue Type: Sub-task  (was: Improvement)
        Parent: HIVE-13925

> 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: Sub-task
>          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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