查看spark RDD 各分区内容
摘要:
mapPartitionsWithIndexdef mapPartitionsWithIndex[U](f: (Int, Iterator[T]) => Iterator[U], preservesPartitioning: Boolean = false)(implicit arg0: Class 阅读全文
posted @ 2018-12-31 19:25 _harvey 阅读(1523) 评论(0) 推荐(0) 编辑