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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-7747) Import tools should use a combiner to merge Puts
Date Wed, 27 Feb 2013 13:13:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-7747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13588306#comment-13588306
] 

Hudson commented on HBASE-7747:
-------------------------------

Integrated in hbase-0.95-on-hadoop2 #2 (See [https://builds.apache.org/job/hbase-0.95-on-hadoop2/2/])
    HBASE-7747 Import tools should use a combiner to merge Puts (Nick Dimiduk) (Revision 1450581)

     Result = FAILURE
tedyu : 
Files : 
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/ImportTsv.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/PutCombiner.java
* /hbase/branches/0.95/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestImportTsv.java
* /hbase/branches/0.95/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduce.java

                
> Import tools should use a combiner to merge Puts
> ------------------------------------------------
>
>                 Key: HBASE-7747
>                 URL: https://issues.apache.org/jira/browse/HBASE-7747
>             Project: HBase
>          Issue Type: Improvement
>          Components: mapreduce, Performance
>            Reporter: Nick Dimiduk
>            Assignee: Nick Dimiduk
>            Priority: Minor
>             Fix For: 0.95.0, 0.98.0
>
>         Attachments: 0001-HBASE-7747-Import-use-a-Put-combiner-where-possible.patch,
0001-HBASE-7747-Import-use-a-Put-combiner-where-possible.patch
>
>
> Multiple Puts to the same row should be combined into a single mutation object. This
can be done with a Combiner. Import.Importer#writeResult appears to do this manually.

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