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https://issues.apache.org/jira/browse/HIVE-14731?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15742721#comment-15742721
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Gunther Hagleitner commented on HIVE-14731:
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Can you also please turn the feature on in "data/conf/hive-site.xml" that will
enable them for all unit tests? I think the "off" case will implicitly be
tested through MR/spark/etc test drivers.
> Use Tez cartesian product edge in Hive (unpartitioned case only)
> ----------------------------------------------------------------
>
> Key: HIVE-14731
> URL: https://issues.apache.org/jira/browse/HIVE-14731
> Project: Hive
> Issue Type: Bug
> Reporter: Zhiyuan Yang
> Assignee: Zhiyuan Yang
> Attachments: HIVE-14731.1.patch, HIVE-14731.10.patch,
> HIVE-14731.2.patch, HIVE-14731.3.patch, HIVE-14731.4.patch,
> HIVE-14731.5.patch, HIVE-14731.6.patch, HIVE-14731.7.patch,
> HIVE-14731.8.patch, HIVE-14731.9.patch
>
>
> Given cartesian product edge is available in Tez now (see TEZ-3230), let's
> integrate it into Hive on Tez. This allows us to have more than one reducer
> in cross product queries.
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