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https://issues.apache.org/jira/browse/HIVE-17969?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16245512#comment-16245512
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Peter Vary commented on HIVE-17969:
-----------------------------------
+1
> Metastore to alter table in batches of partitions when renaming table
> ---------------------------------------------------------------------
>
> Key: HIVE-17969
> URL: https://issues.apache.org/jira/browse/HIVE-17969
> Project: Hive
> Issue Type: Improvement
> Components: Metastore
> Reporter: Adam Szita
> Assignee: Adam Szita
> Attachments: HIVE-17969.0.patch, HIVE-17969.1.patch,
> HIVE-17969.2.patch, batched.png, hive9447OptimizationOnly.png, original.png
>
>
> I'm currently trying to speed up the {{alter table rename to}} feature of
> HMS. The recently submitted change (HIVE-9447) already helps a lot especially
> on Oracle HMS DBs.
> This time I intend to gain throughput independently of DB types by enabling
> HMS to execute this alter table command on batches of partitions (rather than
> 1by1)
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