Flink中的WaterMark详解
//参考官网指定时间戳,直接使用lambda表达式获取
WatermarkStrategy.<Tuple3<Long,String,Integer>>forBoundedOutOfOrderness(Duration.ofSeconds(20)) .withTimestampAssigner((event,timestamp) -> event.f0) ;
参考:
https://ci.apache.org/projects/flink/flink-docs-release-1.12/zh/dev/event_timestamps_watermarks.html
posted on 2021-04-24 17:03 RICH-ATONE 阅读(203) 评论(0) 编辑 收藏 举报