This is a sample of basic map reduce based streaming using the streaming jar.
Build projects in VS
should do the trick
From a Hadoop command prompt (note, this assumes that %HADOOP_HOME% is defined, the streaming jar has been built, and a full path to the executables:
hadoop jar %HADOOP_HOME%\lib\hadoop-streaming.jar -mapper f:\dev\src\csharp\hadoopdebugger\GenerateAirlineKeyMapper\bin\Debug\GenerateAirlineKeyMapper.exe -reducer f:\dev\src\csharp\hadoopdebugger\AirlineFlightCountReducer\bin\Debug\AirlineFlightCountReducer.exe -input fixed_flights -output test_streaming