摘要: 1.RDD的官网定义 A Resilient Distributed Dataset (RDD), the basic abstraction in Spark. Represents an immutable,partitioned collection of elements that can 阅读全文
posted @ 2019-05-13 17:34 任重而道远的小蜗牛 阅读(7668) 评论(2) 推荐(0) 编辑