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https://issues.apache.org/jira/browse/MAPREDUCE-4616?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13453130#comment-13453130
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Hadoop QA commented on MAPREDUCE-4616:
--------------------------------------
+1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12544650/MAPREDUCE-4616.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+0 tests included. The patch appears to be a documentation patch that
doesn't require tests.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
+1 findbugs. The patch does not introduce any new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed unit tests in
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2842//testReport/
Console output:
https://builds.apache.org/job/PreCommit-MAPREDUCE-Build/2842//console
This message is automatically generated.
> 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
> Labels: hadoop, mapreduce
> Fix For: trunk
>
> Attachments: 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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