摘要: 一、Shuffle的产生Shuffle Dependency是划分stages的依据,由此判断是ShuffleMapStage或ResultStage,正如下所述* A Spark job consists of one or more stages. The very last stage in ... 阅读全文
posted @ 2015-10-22 20:29 gOOner黑骑士 阅读(883) 评论(1) 推荐(1) 编辑