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