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https://issues.apache.org/jira/browse/HIVE-4475?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13663106#comment-13663106
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Hudson commented on HIVE-4475:
------------------------------
Integrated in Hive-trunk-h0.21 #2111 (See
[https://builds.apache.org/job/Hive-trunk-h0.21/2111/])
HIVE-4475 Switch RCFile default to LazyBinaryColumnarSerDe. (Guther
Hagleitner
via omalley) (Revision 1484626)
Result = FAILURE
omalley :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1484626
Files :
* /hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
* /hive/trunk/conf/hive-default.xml.template
* /hive/trunk/data/conf/hive-site.xml
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/BaseSemanticAnalyzer.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/DDLSemanticAnalyzer.java
* /hive/trunk/ql/src/test/queries/clientpositive/rcfile_default_format.q
* /hive/trunk/ql/src/test/results/clientpositive/rcfile_default_format.q.out
> 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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