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https://issues.apache.org/jira/browse/HIVE-25688?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Denys Kuzmenko updated HIVE-25688:
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Description:
This changes the drop partition operation to asynchronous. The data files of
transactional tables will not be deleted, but a new truncated basefile will be
written, which is going to be later cleaned up by the Compactor/Cleaner.
This along with a few other changes will enable us to not use read locks, which
provides perf boost to the transactional tables.
> Non blocking DROP PARTITION implementation
> ------------------------------------------
>
> Key: HIVE-25688
> URL: https://issues.apache.org/jira/browse/HIVE-25688
> Project: Hive
> Issue Type: Task
> Reporter: Denys Kuzmenko
> Priority: Major
>
> This changes the drop partition operation to asynchronous. The data files of
> transactional tables will not be deleted, but a new truncated basefile will
> be written, which is going to be later cleaned up by the Compactor/Cleaner.
> This along with a few other changes will enable us to not use read locks,
> which provides perf boost to the transactional tables.
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