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https://issues.apache.org/jira/browse/HIVE-3950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13566401#comment-13566401
]
Hudson commented on HIVE-3950:
------------------------------
Integrated in Hive-trunk-hadoop2 #97 (See
[https://builds.apache.org/job/Hive-trunk-hadoop2/97/])
HIVE-3950 : Remove code for merging files via MR job (Ashutosh Chauhan,
Reviewed by Namit Jain) (Revision 1440238)
Result = FAILURE
hashutosh :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1440238
Files :
* /hive/trunk/common/src/java/org/apache/hadoop/hive/conf/HiveConf.java
* /hive/trunk/conf/hive-default.xml.template
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/ErrorMsg.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/Utilities.java
*
/hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/optimizer/GenMRFileSink1.java
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java
* /hive/trunk/ql/src/test/queries/clientnegative/dyn_part_merge.q
* /hive/trunk/ql/src/test/results/clientnegative/dyn_part_merge.q.out
> Remove code for merging files via MR job
> ----------------------------------------
>
> Key: HIVE-3950
> URL: https://issues.apache.org/jira/browse/HIVE-3950
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Reporter: Ashutosh Chauhan
> Assignee: Ashutosh Chauhan
> Fix For: 0.11.0
>
> Attachments: hive-3950_1.patch, hive-3950_2.patch, hive-3950.patch
>
>
> Hive can merge files either via MR job or via map only job. Obviously, doing
> it via map-only job is more efficient, but there is an option of doing it via
> MR job as well because CombineFileInputFormat is available only in
> hadoop-0.20 and later. Since, we no longer support hadoop versions earlier
> than 20 anymore all that is now dead code, we should get rid of it.
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