小言_互联网
看到一篇非常不错的帖子,通俗易懂! https://blog.csdn.net/zuochang_liu/article/details/81842773?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522160440151219724836715912%2522%252C%2522scm%2522%253A%252220140713.130102334…%2522%257D&request_id=160440151219724836715912&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2allfirst_rank_v2~rank_v28-1-81842773.pc_first_rank_v2_rank_v28&utm_term=mapreduce%E5%AD%A6%E4%B9%A0&spm=1018.2118.3001.4449