hyonaldo/hadoop-multiple-streaming

hadoop-multiple-streaming is a addition to the Hadoop-Streaming which is a utility that comes with the Hadoop distribution. This utility allows you to not only do Hadoop-Streaming, but also create and run 'multiple' Map/Reduce jobs with any executable or script as the mapper and/or the reducer for 'one' input. hadoop-multiple-streaming includes Hadoop-Streaming.

hadoop-multiple-streaming

hadoop-multiple-streaming extends Hadoop-Streaming which is a utility that comes with the Hadoop distribution.
This utility allows you to not only do Hadoop-Streaming, but also create and run 'multiple' Map/Reduce jobs for 'one' input with any executable or scripts. For example:

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"

This project is the maven project. So you can simply do maven build command for making hadoop-multiple-streaming.jar file. In more detail, 'mvn clean package' command will compile source code and packaging to ${project_home}/target folder.