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https://issues.apache.org/jira/browse/SPARK-10765?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15190042#comment-15190042
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David Ross commented on SPARK-10765:
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As noted in the change, this is a performance regression for Hive UDAFs:
https://github.com/apache/spark/commit/341b13f8f5eb118f1fb4d4f84418715ac4750a4d#diff-53f31aa4bbd9274f40547cd00cf0826dR526
What is the plan to resolve this?
> use new aggregate interface for hive UDAF
> -----------------------------------------
>
> Key: SPARK-10765
> URL: https://issues.apache.org/jira/browse/SPARK-10765
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Reporter: Wenchen Fan
> Assignee: Wenchen Fan
> Fix For: 1.6.0
>
>
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