hadooptrain
对应的数据
chapter04 -> note/access.txt
chapter05 -> note/user_login.txt
mapreduce -> note/word.txt
快速运行
1.把需要用到的数据上传到hdfs中
2.如:运行mapreducre的WordCountApp
hadoop jar hadoop-train-1.0.jar com.xuyongcai.hadoop.mapreduce.WordCountApp /data/word.log /data/ouput