flink cdc 设置 sqlserver数据库表140W条数据直接写入 postgres数据库insert into TMATTOWORK_test2 select * from TMATTOWORK;数据插入postgres表80万条后报错，然后插入100W条后第二次报错--报错org.apache.flink.util.FlinkRuntimeException: Exceede...

问答 2023-04-05 来自：开发者社区

请教大家一个问题，flink cdc有没有配置参数可以指定同步某个时间之后的增量数据，比如只捕获3

请教大家一个问题，flink cdc有没有配置参数可以指定同步某个时间之后的增量数据，比如只捕获3月1号之后的增量数据

问答 2023-04-05 来自：开发者社区

flink cdc initial 模式， source表数据量过大，导致checkpoint

flink cdc initial 模式， source表数据量过大，导致checkpoint 一直 Checkpoint expired before completing. 有没有遇到过的大神指导一下如何优化呀？

问答 2023-04-03 来自：开发者社区

我flink cdc实时同步MySQL数据，这个过程会产生binlog_dump行为吗？但是如果我按

我flink cdc实时同步MySQL数据，这个过程会产生binlog_dump行为吗？但是如果我按照这个官网指定server_id，好像会有对应的serve_id的binlog_dump, 我问了chatgpt好像只有MySQL自己进行主从同步才会产生binlog_dump？还有一点，我又测试别的数据库，flink cdc实时同步MySQL数据，又没有产生binlog_dump行为。

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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