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https://issues.apache.org/jira/browse/MAPREDUCE-4616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tony Burton updated MAPREDUCE-4616:
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Attachment: MAPREDUCE-4616.patch
patch file for Jira issue MAPREDUCE-4616
> 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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