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https://issues.apache.org/jira/browse/HIVE-4475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13656512#comment-13656512
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Gunther Hagleitner commented on HIVE-4475:
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review: https://reviews.facebook.net/D10785
> Switch RCFile default to LazyBinaryColumnarSerDe
> ------------------------------------------------
>
> Key: HIVE-4475
> URL: https://issues.apache.org/jira/browse/HIVE-4475
> Project: Hive
> Issue Type: Bug
> Reporter: Gunther Hagleitner
> Assignee: Gunther Hagleitner
> Attachments: HIVE-4475.1.patch
>
>
> For most workloads it seems LazyBinaryColumnarSerDe (binary) will perform
> better than ColumnarSerDe (text). Not sure why ColumnarSerDe is the default,
> but my guess is, that's for historical reasons. I suggest switching the
> default.
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