30897/hadoop-adding-multiple-inputs-different-mapper-using-python
hadoop jar hadoop-multiple-streaming.jar \ -input myInputDirs \ -multiple "outputDir1|mypackage.Mapper1|mypackage.Reducer1" \ -multiple "outputDir2|mapper2.sh|reducer2.sh" \ -multiple "outputDir3|mapper3.py|reducer3.py" \ -multiple "outputDir4|/bin/cat|/bin/wc" \ -libjars "libDir/mypackage.jar" \ -file "libDir/mapper2.sh" \ -file "libDir/mapper3.py" \ -file "libDir/reducer2.sh" \ -file "libDir/reducer3.py"
Source: https://github.com/hyonaldo/hadoop-multiple-streaming
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