用python编写MapReduce????? 提交HADOOP集群运行：????? hadoop jar hadoop-1.2.1/contrib/streaming/hadoo
用python编写MapReduce
????? 提交HADOOP集群运行：
????? hadoop jar hadoop-1.2.1/contrib/streaming/hadoop-streaming-1.2.1.jar -input input -output output-streaming-python? -mapper /home/ysc/mapper.py -reducer /home/ysc/reducer.py