实时计算 Flink版cdc数据的相关内容

阿里云文档 2025-01-24

CDC相关的常见问题汇总

本文介绍CDC相关的常见问题。

问答 2022-12-27 来自：开发者社区

flink cdc数据写入iceberg（在flink sql上用的hive catalog）

flink cdc数据写入iceberg（在flink sql上用的hive catalog），然后在hive上直接查询该表无数据，用flink sql可以查到数据咋办？ flink 1.13.1 iceberg 1.14.1 hive2.1.1

问答 2022-12-27 来自：开发者社区

用的flink 1.14，cdc 2.3版本，同步mysql中json格式数据，有的时候会乱码，目前

用的flink 1.14，cdc 2.3版本，同步mysql中json格式数据，有的时候会乱码，目前推测是这个json 的长度过长导致的咋办？

问答 2022-12-27 来自：开发者社区

flink cdc读取oracle写入hudi并同步到hive时为什么timestamp类型的数据被

flink cdc读取oracle写入hudi并同步到hive时为什么timestamp类型的数据被转换成了一长串整数咋办？

问答 2022-12-20 来自：开发者社区

发现flink cdc postgres部分字段没有按照字段名去生成insert into，而是数据

发现flink cdc postgres部分字段没有按照字段名去生成insert into，而是用数据的index去匹配的。这个大家有碰到过吗？类似于insert into xxx(code,en_name, cn_name) values (...); 如果写成 select($("code"), ${"cn_name"}, $("en_name")) 插入的数据就会反了。如果按照相应的顺....

问答 2022-12-20 来自：开发者社区

flink cdc sql 可以拿到数据的rowkind 信息吗？

问答 2022-12-20 来自：开发者社区

flink cdc读全量数据的性能如何？

问答 2022-12-20 来自：开发者社区

有没有大佬把flink cdc改造成只读全量数据？

问答 2022-12-16 来自：开发者社区

Flink读取CDC全量数据同步没有异常但是无法同步增量数据

问答 2022-12-09 来自：开发者社区

Flink CDC中1个job多个表，处理数据跟蜗牛一样，谁遇到过这种情况？

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更新时间 2025-03-02 12:50:25

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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。

立即开通

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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