问题一：关于Flink CDC，两个任务监控同一个mysql表,serverid改了,为啥还会报错重启？关于Flink CDC，两个任务监控同一个mysql表,serverid改了,为啥还会报错重启？参考答案：在Flink CDC中，如果两个任务(source和sink)监控同一个MySQL表，并且MySQL的server-id(也称为数据库ID...

问答 2024-02-14 来自：开发者社区

Flink CDC里看了下mysql的日志，这种效果要怎么实现？

Flink CDC里看了下mysql的日志，发现flink在查询数据的时候，使用的语句是 select from table。我在创建sql任务的时候，source端是列出了要的字段，flink还会用select 去查找库里面查找。因为cdc读取源端数据分两个阶段，第一阶段是做可并行的全量快照（select *)，第二阶段做单线程读binlog拿增量数据。我想在第一阶段的时候查询也通过指定字...

问答 2024-02-14 来自：开发者社区

这个FLINK CDC 3.0.0 MYSQL到SR，指定位点增量同步这种情况怎么办？

这个FLINK CDC 3.0.0 MYSQL到SR，指定位点增量同步1、send record 和receive record 一直为0 ，但数据已经成功同步至SR2、过了heartbeat超时时间，JOB就自动停掉了3、目前未发现有可用异常日志信息这个要怎么排查呢？

问答 2024-02-08 来自：开发者社区

在使用Flink CDC从MySQL进行实时同步至目标库的场景中，如何解决生产环境中的问题？

在使用Flink CDC从MySQL进行实时同步至目标库的场景中，如何解决生产环境中由于MySQL连接数过多而造成的源数据库压力过大的问题？特别是在Flink 3.0版本下，针对运行在YARN上的任务管理（而非Kubernetes），以及对于存量客户可能存在的SQL自定义需求和资源管理的案例呢？

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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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实时同步

MySQL 到 Hologres

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功能对比

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成本优化

作业自动调优