flink cdc 报了这个错误，是哪里配置的不对吗？Caused by: com.mysql.cj.jdbc.exceptions.MySQLTransactionRollbackException: Lock wait timeout exceeded; try restarting transaction 我上面发的错误，看着显示锁表的错误呀，是哪里配置的不对吗？谁知道。flink cd.....

问答 2023-05-01 来自：开发者社区

Flink CDC中你那个时区问题怎么解决的呀，我这边mysql中 timestamp 类型的数据，

Flink CDC中你那个时区问题怎么解决的呀，我这边mysql中 timestamp 类型的数据，用mysql 客户端查询没有问题，但是用 cdc 导出来就差8小时，怎么办？

问答 2023-05-01 来自：开发者社区

大佬请教个问题，就是上次我说的flink cdc source mysql sink hudi,时

大佬请教个问题，就是上次我说的flink cdc source mysql sink hudi,时差多了八个小时，当时让我看MySQL的时区是Asia/Shanghai (CST，+0800)？就是有个问题是，我这边有两个业务库，时区都是一样的，只有这个同步过来时区+8小时，另外的那个是正常的，这个是什么原因？我这样加不对，正确的如何加呀？

问答 2023-05-01 来自：开发者社区

咨询下Flink CDC 中mysql binlog 太大导致oom的问题，几分钟更新了600w数据

咨询下Flink CDC 中mysql binlog 太大导致oom的问题，几分钟更新了600w数据，binlog能切分段过来吗？

问答 2023-05-01 来自：开发者社区

Flink CDC中为啥我的mysql cdc 设置并行度为2，全量扫描阶段特别慢呢，还不如一个任务

Flink CDC中为啥我的mysql cdc 设置并行度为2，全量扫描阶段特别慢呢，还不如一个任务，有时候直接卡主在某个点，有人知道吗就是sink表的总数没达到期望的值，我把并行度设置为1，这个值为4万多，也符合预期，这个一直卡在28292了，好久了，我是本地，也没法用web ui看按照网上的设置本地webui也不起作用，直接返回{"errors":["Not found."]}flink....

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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