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https://issues.apache.org/jira/browse/HIVE-24432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Mollitor resolved HIVE-24432.
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Fix Version/s: 4.0.0
Resolution: Fixed
Pushed to master! Thanks [~ngangam] and [~aasha] for the reviews!
> Delete Notification Events in Batches
> -------------------------------------
>
> Key: HIVE-24432
> URL: https://issues.apache.org/jira/browse/HIVE-24432
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 3.2.0
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> Notification events are loaded in batches (reduces memory pressure on the
> HMS), but all of the deletes happen under a single transactions and, when
> deleting many records, can put a lot of pressure on the backend database.
> Instead, delete events in batches (in different transactions) as well.
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