flink-1.4.2 (使用1.6.2测试过，问题同样存在)自定义一个AggregateFunction，需要在open函数中做一些处理，Intellij调试的时候发现open函数不被调用。由于计算逻辑较复杂，同样用到了udsf和udtf，这两个对象的open函数在调试的时候是可以被调用的，但是udaf的open函数打了断点也进不去。是不是udaf不是一个richfunction，open不起....

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更新时间 2024-07-31 09:11:14

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实时计算Flink版

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