/home/zongquanliu/hadoop/hadoop-0.22.0/bin/hadoop jar /home/zongquanliu/hadoop/hadoop-0.22.0/contrib/streaming/hadoop-0.22.0-streaming.jar -input /home/zongquanliu/hadoop/playground/input -output /home/zongquanliu/hadoop/playground/output -mapper "/usr/bin/perl mapper.pl" -file /home/zongquanliu/mapper.pl


要特别注意 -mapper 参数和-file的配置
具体可参见 http://wiki.apache.org/hadoop/HadoopStreaming/