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https://issues.apache.org/jira/browse/HIVE-27746?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17776049#comment-17776049
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Quanlong Huang commented on HIVE-27746:
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Another benifit of this is that partition events on different tables won't
interleave. So event consumers like Impala can handle such batch events more
efficiently (IMPALA-12463).
It'd be nice if we can do the same for partition level insert events.
> Hive Metastore should send single AlterPartitionEvent with list of partitions
> -----------------------------------------------------------------------------
>
> Key: HIVE-27746
> URL: https://issues.apache.org/jira/browse/HIVE-27746
> Project: Hive
> Issue Type: Improvement
> Components: Standalone Metastore
> Reporter: Naveen Gangam
> Assignee: Zhihua Deng
> Priority: Major
>
> In HIVE-3938, work was done to send single AddPartitionEvent for APIs that
> add partitions in bulk. Similarly, we have alter_partitions APIs that alter
> partitions in bulk via a single HMS call. For such events, we should also
> send a single AlterPartitionEvent with a list of partitions in it.
> This would be way more efficient than having to send and process them
> individually.
> This fix will be incompatible with the older clients that expect single
> partition.
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