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https://issues.apache.org/jira/browse/HIVE-8058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14130651#comment-14130651
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Vikram Dixit K commented on HIVE-8058:
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Makes sense. +1
> Disable correlation opt for Tez
> -------------------------------
>
> Key: HIVE-8058
> URL: https://issues.apache.org/jira/browse/HIVE-8058
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-8058.1.patch
>
>
> Correlation optimizer needs more thought on Tez. Stuff like nested tags are
> at odds with Tez (where we can expose more stages in a single DAG).
> For now: disable.
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