问题一：flink版本17.2 , mysql5.7, flinkcdc 2.4.1？什么原因？ flink版本17.2 , mysql5.7, flinkcdc 2.4.1？currentEmitEventTimeLag没有值，但是 currentFetchEventTimeLag是正常显示的。参考答案：这个问题可能是由于Flink CDC的bu...

文章 2024-05-23 来自：开发者社区

实时计算 Flink版产品使用合集之flink-cdc.sh xx.yaml提交到yarn 发现没有启动task manager的，怎么处理

问题一：Flink CDC这个是干啥用的啊？ Flink CDC这个是干啥用的啊？org/apache/flink/shaded/guava31/com/google/common/util/concurrent/ThreadFactoryBuilder 参考答案： java工具包关于本问题的更多回答可点击进行查看： ...

文章 2024-05-23 来自：开发者社区

实时计算 Flink版产品使用合集之如何在operator里跑flink cdc

问题一：有没有知道哪里有operator里跑flink cdc的示例文档？有没有大佬知道哪里有operator里跑flink cdc的示例文档？参考答案： https://github.com/ververica/flink-cdc-connectors/issues/2934 关于本问题的更多回答可点击进行查看： ...

文章 2024-05-23 来自：开发者社区

实时计算 Flink版产品使用合集之如果源表中删除了2023年之前的数据， flink cdc 里面也会会删除吗

问题一：删除了表中 2023之前的数据 flink cdc 里面会删除吗？删除了表中 2023之前的数据 flink cdc 里面会删除吗？参考回答： Flink CDC（Change Data Capture）是一种用于捕获数据库中数据变化的技术，它可以捕获到数据的插入、更新和删除操作。所以，如果你在数据库中删除了2023年之前的某些数据，这些操...

文章 2024-05-23 来自：开发者社区

实时计算 Flink版产品使用合集之实现自定义 Flink Source和控制数据的下发如何解决

问题一：请教个Flink问题：如果从历史某个时间点进行重新消费，是不是只能将kafka设置为单分区？请教个Flink问题：如果从历史某个时间点进行重新消费，要保证数据全局有序，是不是只能将kafka设置为单分区？参考回答：在Flink从历史某个时间点进行重新消费的情况下，要保证数据全局有序，并不一定要将Kafka设置为单分区。尽管在某些情况下，将...

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MySQL 到 Hologres

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功能对比

开源Flink对比

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作业自动调优