[
https://issues.apache.org/jira/browse/HIVE-9248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14279027#comment-14279027
]
Ashutosh Chauhan commented on HIVE-9248:
----------------------------------------
Looks good, but some of above test failures looks legit and needs to be looked
at.
> Vectorization : Tez Reduce vertex not getting vectorized when GROUP BY is
> Hash mode
> -----------------------------------------------------------------------------------
>
> Key: HIVE-9248
> URL: https://issues.apache.org/jira/browse/HIVE-9248
> Project: Hive
> Issue Type: Bug
> Components: Tez, Vectorization
> Affects Versions: 0.14.0
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-9248.01.patch, HIVE-9248.02.patch,
> HIVE-9248.03.patch, HIVE-9248.04.patch
>
>
> Under Tez and Vectorization, ReduceWork not getting vectorized unless it
> GROUP BY operator is MergePartial. Add valid cases where GROUP BY is Hash
> (and presumably there are downstream reducers that will do MergePartial).
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
