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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-17899) Provide an option to disable tez split grouping
Date Wed, 25 Oct 2017 07:59:00 GMT

    [ https://issues.apache.org/jira/browse/HIVE-17899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16218231#comment-16218231
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Prasanth Jayachandran commented on HIVE-17899:
----------------------------------------------

[~gopalv] I was thinking of enabling this https://github.com/apache/hive/blob/954f832849937fb1a95bcba602f24b79cf611413/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/HiveSplitGenerator.java#L224
and setting grouping to false in user payload in DagUtils.java


> 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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