实时计算 Flink版cdc设置的相关内容

阿里云文档 2025-03-28

Flink CDC写入MaxCompute

MaxCompute为您提供对接Flink CDC的新版插件Connector连接器。您可以通过对接Flink CDC，将数据源（例如MySQL）数据实时同步至MaxCompute的目标表（普通表或Delta表）。本文为您介绍MaxCompute新版插件的能力支持情况与主要操作流程。

问答 2024-12-28 来自：开发者社区

Flink CDC中如果MySQL 字段设置了默认值，字段值为空时，捕获到的变更数据为默认值？？

这个问题我在本地复现是偶现问题，字段值为空时，捕获的值有时候是默认值，有时候又是空。这个问题困扰我几天了，社区里也没找到完整可行的方案：目前看到两种解决方法，描述不太清楚看不明白。期待大佬指导下。1、回答：这个之前也有其他人反馈过，我是重写了SchemaBuilder，默认值直接指定为null，此回答整理自钉群“Flink CDC 社区”2023-11-16 08:43:19链接：https:....

问答 2024-10-29 来自：开发者社区

flink cdc paimon设置了file.format为parquet但生成的文件依然是orc

问题描述我在使用Flink + Flink cdc + Paimon + oss 做数据同步，在cdc的yaml里指定了paimon的文件格式是parquet，但生成的文件依然是默认的文件格式orc，请问是什么原因？软件版本 Flink ：1.18.1Flink CDC : 3.1.0Paimon： 0.8.0 cdc yaml source: type: mysql name: M...

问答 2024-08-18 来自：开发者社区

flink cdc现在大表的初始化全量同步，还是只能把checkpoint时间设置长点吗？

flink cdc现在大表的初始化全量同步，还是只能把checkpoint时间设置长点，防止checkpoint失败吗？

问答 2024-08-18 来自：开发者社区

Flink CDC 里ttl可以根据业务时间设置吗？

问答 2024-08-13 来自：开发者社区

在Flink CDC中，cdc3.1 pipeline同步到doris可以设置tinyint1is？

在Flink CDC中，cdc3.1 pipeline同步到doris可以设置tinyint1isBit=false吗？字段都变成布尔

问答 2024-08-13 来自：开发者社区

在Flink CDC中，总是报找不到对应的库表。有人遇到过么？这个方式需要怎么设置了？

mysql的数据库和生成的binlog不在同一个服务器，现在想用flinkcdc抽取mysql的数据，配置的连接信息是binlog服务器的，在Flink CDC中，总是报找不到对应的库表。有人遇到过么？这个方式需要怎么设置了？官方文档没找到相应的信息。

问答 2024-08-13 来自：开发者社区

在Flink CDC中，副本数设置的跟表的是匹配的吗？

问答 2024-08-12 来自：开发者社区

在Flink CDC中，关键是这2个参数要设置，怎么解决？ '

'debezium.log.mining.strategy'='online_catalog','debezium.log.mining.continuous.mine'='true' 在Flink CDC中，关键是这2个参数要设置，怎么解决？

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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

产品控制台

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