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https://issues.apache.org/jira/browse/HIVE-18099?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16257733#comment-16257733
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Zhiyuan Yang commented on HIVE-18099:
-------------------------------------
Most likely in very old code. Guessing it was for smooth transition from MR to
Tez, but shouldn't be there any more. Trying remove it to see whether anything
get broken.
> Hive shouldn't pickup mapreduce conf for Tez
> --------------------------------------------
>
> Key: HIVE-18099
> URL: https://issues.apache.org/jira/browse/HIVE-18099
> Project: Hive
> Issue Type: Bug
> Reporter: Zhiyuan Yang
> Assignee: Zhiyuan Yang
>
> Right now Hive is reading some mapreduce conf for Tez engine.
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java?utf8=%E2%9C%93#L720
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java?#L796
> https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/exec/tez/DagUtils.java?#L860
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