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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-6256) add batch dropping of partitions to Hive metastore (as well as to dropTable)
Date Sat, 15 Feb 2014 00:04:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-6256?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13902163#comment-13902163
] 

Ashutosh Chauhan commented on HIVE-6256:
----------------------------------------

Yup, performance enhancement, no functional changes visible to user.

> add batch dropping of partitions to Hive metastore (as well as to dropTable)
> ----------------------------------------------------------------------------
>
>                 Key: HIVE-6256
>                 URL: https://issues.apache.org/jira/browse/HIVE-6256
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Minor
>             Fix For: 0.13.0
>
>         Attachments: HIVE-6256.01.patch, HIVE-6256.02.patch, HIVE-6256.03.patch, HIVE-6256.04.patch,
HIVE-6256.05.patch, HIVE-6256.06.patch, HIVE-6256.nogen.patch, HIVE-6256.nogen.patch, HIVE-6256.nogen.patch,
HIVE-6256.nogen.patch, HIVE-6256.nogen.patch, HIVE-6256.nogen.patch, HIVE-6256.nogen.patch,
HIVE-6256.patch
>
>
> Metastore drop partitions call drops one partition; when many are being dropped this
can be slow. Partitions could be dropped in batch instead, if multiple are dropped via one
command. Drop table can also use that.



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