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https://issues.apache.org/jira/browse/HIVE-5888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13921057#comment-13921057
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Jian Fang commented on HIVE-5888:
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Thanks a lot. Will try the fix in HIVE-6041. Could you please explain the weird
behavior when I set hive.optimize.skewjoin=true and
hive.auto.convert.join=false? Why almost all keys were distributed to only two
reducers? Like to make sure there is no other bugs in the skewjoin logic.
> group by after join operation product no result when hive.optimize.skewjoin
> = true
> ------------------------------------------------------------------------------------
>
> Key: HIVE-5888
> URL: https://issues.apache.org/jira/browse/HIVE-5888
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.12.0
> Reporter: cyril liao
>
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