随笔分类 -  Spark-Stack

1. Spark Word Count
摘要：1. request: 2. scala: sc.textFile("input").flatMap(_.split(" ")).map((_,1)).reduceByKey(_+_).collect 阅读全文
posted @ 2020-05-01 12:02 [行者] 阅读(230) 评论(0) 推荐(0)