interval join完成两个表关联时，没打印出来数据，出现“javax.management.InstanceAlreadyExistsException: kafka.consumer:type=app-info,id=dwd_trade_order_pay_suc_detail-0”这个问题，Flink这是什么原因？

问答 2023-09-20 来自：开发者社区

lookup join能关联上Flink CDC关联不上是水位线的问题么？

lookup join能关联上Flink CDC关联不上是水位线的问题么？连接使用的是localtimestamp

问答 2023-07-13 来自：开发者社区

looup join时，Flink维表发生变化，会重新下发join后的数据嘛？还是说只有主流来了，才

looup join时，Flink维表发生变化，会重新下发join后的数据嘛？还是说只有主流来了，才会触发join

问答 2023-01-09 来自：开发者社区

使用 interval join 合并a,b两个表，这两个表是flink cdc的表，b表的更新在a

使用 interval join 合并a,b两个表，这两个表是flink cdc的表，b表的更新在a表的上下界范围内，能够正常输出，一旦b表的更新在a表的上下界范围外，会发出一条delete消息，这个是正常的吗？我希望匹配不上不会有delete消息发出，这个可以怎么做呢？

问答 2022-02-15 来自：开发者社区

两个流join 除了sql写法没有代码写法吗？#Flink

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更新时间 2024-12-12 15:24:06

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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。

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MySQL 到 Hologres

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作业自动调优