大数据学习(八):mapreduce编程案例 计算访问次数最多的5个网站

数据 2017/07/28 qq.com/a 2017/07/28 qq.com/bx 2017/07/28 qq.com/by 2017/07/28 qq.com/by3 2017/07/28 qq.com/news 2017/07/28 sina.com/news/socail 2017/07/28 163.com/ac 2017/07/28 sina.com/news/socail 2017/07/28 163.com/sport 2017/07/28 163.com/ac 2017/07/28 sina.com/play 2017/07/28 163.com/sport 2017/07