wordcount
1、创建输入文件目录
在hadoop安装目录下创建wcinput目录,如我的安装目录是:/opt/module/hadoop-2.7.7
[root@hadoop101 hadoop-2.7.7]# pwd
/opt/module/hadoop-2.7.7
[root@hadoop101 hadoop-2.7.7]#
[root@hadoop101 hadoop-2.7.7]#
[root@hadoop101 hadoop-2.7.7]# mkdir wcinput
2、创建数据源
[root@hadoop101 wcinput