请问大佬们Flink CDC中 debezium 全量同步时候是会锁表对吗？但是我设置了for update 依然可以全量同步，好像不会锁表？mysql，flinkcdc是说不会因为我好奇debezium 但是发现也没有锁表，我是纯dbz 想验证一下dbz是不是锁表，没有设置lock mode 纯dbz好像没有这个设置，dbz确实需要更高的权限但是好像并没有发现他在全量同步时候有互斥锁锁表....

问答 2023-05-01 来自：开发者社区

flink cdc 指定时间戳开始同步，报错，有大佬遇到过吗？求指导啊

问答 2023-05-01 来自：开发者社区

flink cdc支持同步整个mongo库嘛，大佬有案例嘛，kafka，两种都有，insert的时候

flink cdc支持同步整个mongo库嘛，大佬有案例嘛，kafka，两种都有，insert的时候怎么写啊，是的变更数据，fink sql该怎么写呢，我理解的是要在fink sql里创建一张表，对接整个mongo库的数据，是这样吗，Sql也可以实现，看起来是多个库同表的正则

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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

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作业自动调优