[jira] [Commented] (MAPREDUCE-4616) Improvement to MultipleOutputs javadocs

["Hudson (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13474351#comment-13474351 ] 

Hudson commented on MAPREDUCE-4616:
-----------------------------------

Integrated in Hadoop-Hdfs-trunk-Commit #2908 (See [https://builds.apache.org/job/Hadoop-Hdfs-trunk-Commit/2908/])
    MAPREDUCE-4616. Improve javadoc for MultipleOutputs. Contributed by Tony Burton. (Revision 1397182)

     Result = SUCCESS
acmurthy : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1397182
Files : 
* /hadoop/common/trunk/hadoop-mapreduce-project/CHANGES.txt
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/LazyOutputFormat.java
* /hadoop/common/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/lib/output/MultipleOutputs.java

                
> Improvement to MultipleOutputs javadocs
> ---------------------------------------
>
>                 Key: MAPREDUCE-4616
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4616
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 1.0.3
>            Reporter: Tony Burton
>            Priority: Minor
>             Fix For: 2.0.3-alpha
>
>         Attachments: MAPREDUCE-4616.patch, MAPREDUCE-4616.patch
>
>
> In the new API, and using MultipleOutputs it is possible to segment output into directories by using MultipleOutputs.write(KEYOUT key, VALUEOUT value, String baseOutputPath) in the Reducer to determine the output directory, and by using LazyOutputFormat at the job-level config to suppress normal output [eg use LazyOutputFormat.setOutputFormatClass(job, TextOutputFormat.class); instead of job.setOutputFormatClass(TextOutputFormat.class);]
> This recreates the functionality previously provided in the old API by using MultipleTextOutputFormat (etc)

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