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https://issues.apache.org/jira/browse/HIVE-3489?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13459321#comment-13459321
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Namit Jain commented on HIVE-3489:
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Also, the post execution hooks need to be run.
> Use OutputCommitter to get rid of requirement of client being alive for long
> running queries
> ---------------------------------------------------------------------------------------------
>
> Key: HIVE-3489
> URL: https://issues.apache.org/jira/browse/HIVE-3489
> Project: Hive
> Issue Type: Bug
> Reporter: Ashutosh Chauhan
>
> There is a bunch of work (depending on query) which hive client does once
> query finishes. This has multiple effects which would be nice to avoid. Few
> of these work items include:
> * Moving temp files / dirs around to their final destination.
> * Creating empty files if required.
> * Updating metastore with metadata.
> * More ?
> If we start using {{OutputCommitter}} then clients can fire and forget, they
> won't need to be around for all the time query is executing. Plus, since
> processing is going to happen in cluster, this further makes client
> lightweight.
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