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https://issues.apache.org/jira/browse/HIVE-8042?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14129356#comment-14129356
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Ashutosh Chauhan commented on HIVE-8042:
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+1 Agreed this one doesn't warrant new config.
> Optionally allow move tasks to run in parallel
> ----------------------------------------------
>
> Key: HIVE-8042
> URL: https://issues.apache.org/jira/browse/HIVE-8042
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-8042.1.patch, HIVE-8042.2.patch
>
>
> hive.exec.parallel allows one to run different stages of a query in parallel.
> However that applies only to map-reduce tasks. When using large multi insert
> queries there are many MoveTasks that are all executed in sequence on the
> client. There's no real reason for that - they could be run in parallel as
> well (i.e.: the stage graph captures the dependencies and knows which tasks
> can happen in parallel).
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