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https://issues.apache.org/jira/browse/HIVE-9804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14340430#comment-14340430
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Chao commented on HIVE-9804:
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+1
> Turn on some kryo settings by default for Spark
> -----------------------------------------------
>
> Key: HIVE-9804
> URL: https://issues.apache.org/jira/browse/HIVE-9804
> Project: Hive
> Issue Type: Improvement
> Reporter: Jimmy Xiang
> Assignee: Jimmy Xiang
> Attachments: HIVE-9804.1.patch
>
>
> Disable referrence checking, set classesToRegiser for Spark can boost the
> performance. We should do so by default.
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