Flink的Interval Join是基于水印（Watermark）和时间窗口（Time Window）实现的。水印是用来检测和处理乱序事件的一种机制，它可以用来估计事件的最大延迟时间。在Flink中，每个事件都会被分配一个时间戳，这个时间戳表示事件发生的时间。当水印的值大于或等于一个事件的时间戳...

问答 2023-09-28 来自：开发者社区

Flink双流join卡死怎么解决呀？感觉是水印设置有问题，但是检查没大问题，一直卡在window？

问答 2023-09-28 来自：开发者社区

Flink CDC双流join一直卡在window怎么处理呀？

Flink CDC双流join一直卡在window怎么处理呀？解决不好水印也调过来

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更新时间 2024-06-17 09:41:26

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阿里云实时计算Flink版(Alibaba Cloud Realtime Compute)，完全兼容开源的Apache Flink，比开源性能提升2～3倍，提供了完整的告警、监控、日志的解决方案、提升开发效率且无运维成本，并有社区专家提供技术支持。

立即开通

产品控制台

产品文档

实时同步

MySQL 到 Hologres

Kafka 到 Hologres

功能对比

开源Flink对比

成本优化

作业自动调优