http://flink.apache.org/news/2015/03/13/peeking-into-Apache-Flinks-Engine-Room.html Join Processing in Apache Flink In this blog post, we cut through Apache Flink's layered architecture and take a look at its internals with a focus on how it handle
事件驱动的应用 处理函数 简介 ProcessFunction将事件处理与定时器和状态结合起来,使其成为流处理应用的强大构件.这是用Flink创建事件驱动应用的基础.它与RichFlatMapFunction非常相似,但增加了定时器. 例子 如果你做过 "流分析 "培训中的实战练习,你会记得它使用TumblingEventTimeWindow来计算每个司机在每个小时内的小费总和,像这样. // compute the sum of the tips per hour for each