摘要: 一、cache和persisit的对比-rw-r--r--@ 1 hadoop staff 68M 5 17 07:04 access.logcache/persitence是 lazy的,延迟加载unpersitence是立即执行的@DeveloperApiclass StorageLevel private( private var _useDisk: Boolean, ... 阅读全文
posted @ 2019-06-27 15:35 BBBone 阅读(410) 评论(0) 推荐(0) 编辑
摘要: https://github.com/xingsuio/scalaPra 阅读全文
posted @ 2019-06-27 15:17 BBBone 阅读(117) 评论(0) 推荐(0) 编辑