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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (HIVE-17899) Provide an option to disable tez split grouping
Date Wed, 25 Oct 2017 03:30:00 GMT

    [ 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 edited comment on HIVE-17899 at 10/25/17 3:29 AM:
----------------------------------------------------------

A hive config option for - tez.grouping.by-length=false?

{code}
    if (!(groupByLength || groupByCount)) {
      throw new TezUncheckedException(
          "None of the grouping parameters are true: "
              + TEZ_GROUPING_SPLIT_BY_LENGTH + ", "
              + TEZ_GROUPING_SPLIT_BY_COUNT);
    }
{code}

That part might need to go into Tez as well.


was (Author: gopalv):
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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