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文章 2024-10-12 来自：开发者社区

Flink-04 Flink Java 3分钟上手 FlinkKafkaConsumer消费Kafka数据进行计算SingleOutputStreamOperatorDataStreamSource

代码仓库会同步代码到 GitHub https://github.com/turbo-duck/flink-demo pom.xml 修改pom.xml，需要加入 kafka相关的包，和适配器。 ...

问答 2023-09-19 来自：开发者社区

Flink 处理 Kafka的数据，需要 join 一个基础表来计算，会实时的体现在计算结果里吗？

请教一个问题：Flink 处理 Kafka的数据，需要 join 一个基础表来计算，如果这个基础表的数据有更新，会实时的体现在计算结果里吗？还是说基础表更新后，需要重新运行这个 flink 任务才可以起作用？

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更新时间 2024-10-13 12:09:47

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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