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https://issues.apache.org/jira/browse/HIVE-4475?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Owen O'Malley updated HIVE-4475:
--------------------------------
Resolution: Fixed
Fix Version/s: 0.12.0
Release Note: This changes the default serde of tables that are created
based on RCFile.
Hadoop Flags: Incompatible change
Status: Resolved (was: Patch Available)
I just committed this. Thanks, Gunther!
> 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
> Fix For: 0.12.0
>
> Attachments: HIVE-4475.1.patch, HIVE-4475.2.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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