大数据——mapreduce实际应用的案例(reduce所有聚合完成后,从新排序)

案例: Log文件:web 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/
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