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https://issues.apache.org/jira/browse/HIVE-17899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16218046#comment-16218046
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Gopal V commented on HIVE-17899:
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A hive config option for - tez.grouping.by-length=false?
> Provide an option to disable tez split grouping
> -----------------------------------------------
>
> Key: HIVE-17899
> URL: https://issues.apache.org/jira/browse/HIVE-17899
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 3.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
>
> Only way to disable split grouping in tez is to change input format to
> CombineHiveInputFormat. Provide a config option to disable split grouping
> regardless of the IF.
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