从rds中通过flink cdc同步数据到holo里， BEGIN STATEMENT SET; CREATE TABLE IF NOT EXISTS holo里的数据库名.要新建的表名AS TABLE 源端数据库类型.数据库名.源端表名 ; END;已经预先建了catalog 按上面这么写报错，是怎么回事呢？

问答 2024-02-28 来自：开发者社区

有没有什么办法通过一个 flink CDC同步来实现？

我们现在是有三个DRDS，然后每个DRDS下面又各自挂有一定数量的RDS，是要做三个Flink CDC同步嘛？还是说有没有什么办法通过一个 flink CDC同步来实现

问答 2024-02-26 来自：开发者社区

Flink CDC里我参照官网CDC3.0案例，MySQL整库同步到Doris怎么做？

我正在尝试使用 Flink CDC 3.0 按照官网案例同步 MySQL 数据库到 Doris，使用的是以下命令：bash bin/flink-cdc.sh mysql-to-doris.yaml，有人说对于新增加的表，可以通过创建 Savepoint 后再从 Savepoint 重新启动作业。我的问题是，具体怎样使用 flink-cdc.sh 脚本从 Savepoint 重启这样的 CDC 作....

问答 2024-02-26 来自：开发者社区

Flink cdc整库同步的时候，有状态过期时间吗？

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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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实时同步

MySQL 到 Hologres

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功能对比

开源Flink对比

成本优化

作业自动调优