实时计算 Flink版cdc同步的相关内容

问答 2023-07-01 来自：开发者社区

Flink CDC只跑一个就同步挺快的，是不是哪里没配置好？自定义sink

Flink CDC只跑一个就同步挺快的，是不是哪里没配置好？自定义sink private Connection connection; @Override public void open(Configuration parameters) throws Exception { super.open(parameters); Class.forName("oracle.jdbc...

问答 2023-07-01 来自：开发者社区

Flink CDC 实现企业级实时数据同步

传统的数据集成通常由全量和增量同步两套系统构成，在全量同步完成后，还需要进一步将增量表和全量表进行合并操作，这种架构的组件构成较为复杂，系统维护困难。本方案提供 Flink CDC 技术实现了统一的增量和全量数据的实时集成。

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问答 2023-07-01 来自：开发者社区

我有一个疑问，Flink CDC是监听数据变化，然后同步给其它机器。如果需求是通过Flink ？

我有一个疑问，Flink CDC是监听数据变化，然后同步给其它机器。如果需求是通过Flink CDC实现一个多主模式，会不会出现死循环的情况。比如： 1. 监听Mysql binlog日志变化，同步给了TiDB 2. 当写入TiDB的时候，TiDB也会写日志，同时CDC也监听到了日志变化 3. 监听到TiDB数据变化，又同步回了Mysql 会出现这个情况吗？那Flink CDC更适合单向同步吗？

问答 2023-07-01 来自：开发者社区

是不是有问题啊，我引入的Flink CDC同步mysql的jar？我想用最新版本的2.4.0

问答 2023-06-29 来自：开发者社区

Flink CDc中oracle支持从slave同步数据，我看官网文档好像没有相关信息，还没更新么？

oracle支持从slave同步数据，我看官网的文档好像没有相关信息，是还没更新么？

问答 2023-06-29 来自：开发者社区

有没有Flink CDC同步Rds Mysql的教程啊？Rds开启binlog跟Mysql有点不一样

有没有Flink CDC同步Rds Mysql的教程啊？Rds开启binlog跟Mysql有点不一样，binlog的配置

问答 2023-06-29 来自：开发者社区

Flink CDC中不同数据库数据都同步到一个Oracle，数据类型转换是不是都要单独写，现在在各？

Flink CDC中不同数据库数据都同步到一个Oracle，数据类型转换是不是都要单独写，现在在各种试错，哪些数据类型需要单独处理？

问答 2023-06-29 来自：开发者社区

Flink CDC中大佬你测过初始化时候的同步速度吗？我现在407w数据要同步14分钟，有优化办法吗

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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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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