(1)
cd
echo “Hello World Bye World” > file01
echo “Hello Hadoop Goodbye Hadoop” > file02
(2)在hdfs 中建立一个input 目录:
cd hadoop/hadoop1.0.0/bin/
./hadoop dfs –mkdir input
(3)将file01 和file02 拷贝到hdfs 中:
./hadoop dfs –put ~/file0* input
(4)执行wordcount:
./hadoop jar hadoop-examples-1.0.2.jar wordcount input output
(5)完成之后,查看结果:
./hadoop dfs -cat output/*