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Posted to dev@hive.apache.org by "Sohan Jain (JIRA)" <ji...@apache.org> on 2011/06/10 09:00:59 UTC

[jira] [Updated] (HIVE-2213) Optimize get_partition_names_ps()

     [ https://issues.apache.org/jira/browse/HIVE-2213?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sohan Jain updated HIVE-2213:
-----------------------------

    Attachment: HIVE-2213.1.patch

> Optimize get_partition_names_ps()
> ---------------------------------
>
>                 Key: HIVE-2213
>                 URL: https://issues.apache.org/jira/browse/HIVE-2213
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Sohan Jain
>            Assignee: Sohan Jain
>         Attachments: HIVE-2213.1.patch
>
>
> If a table has a large number of partitions, get_partition_names_ps() make take a long time to execute, because we get all of the partition names from the database.  This is not very memory efficient, and the operation can be pushed down to the JDO layer without getting all of the names first.

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