??????: https://ci.apache.org/projects/flink/flink-docs-release-1.9/dev/event_time.html
idling sources?????? ------------------ ???????? ------------------ ??????: "????"<[email protected]>; ????????: 2019??10??20??(??????) ????10:38 ??????: "user-zh"<[email protected]>; ????: Flink ????Kafka Window?????????? Flink ????Kafka, ????????????????????Watermark????????????Window???????????? ??????: ???????????????????????????????? ??????
