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https://issues.apache.org/jira/browse/GIRAPH-1000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dionysios Logothetis resolved GIRAPH-1000.
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Resolution: Fixed
> Multi Output support
> --------------------
>
> Key: GIRAPH-1000
> URL: https://issues.apache.org/jira/browse/GIRAPH-1000
> Project: Giraph
> Issue Type: Improvement
> Components: bsp, conf and scripts, graph
> Affects Versions: 1.0.0, 1.1.0, 1.3.0
> Reporter: Alessio Arleo
> Priority: Major
> Labels: features
>
> Hadoop natively supports multiple outputs. The objective is to extend Giraph
> to support multiple output formats during a single giraph run.
> According to the official Hadoop apidocs*, to take advantage of multiple
> outputs the the pattern is the following:
> - Modify the job submission
> - Modify the reducer class to write on the declared different outputs
> Since Giraph jobs are executed as mappers, probably this approach (or at
> least its second part) is not feasible, so further investigation is necessary.
> *https://hadoop.apache.org/docs/r1.2.1/api/org/apache/hadoop/mapreduce/lib/output/MultipleOutputs.html
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