实时计算 Flink版cdc同步的相关内容

问答 2023-09-06 来自：开发者社区

Flink CDC mysql同步到doris，从哪里出来的？想问下有什么思路么？

Flink CDC mysql同步到doris，报数据类型转换错误 Caused by: java.lang.NumberFormatException: For input string: "UTF8MB4'0"，分析不出来这个 "UTF8MB4'0" 从哪里出来的？想问下有什么思路么？CREATE TABLE mysql表 ( id int(11) unsigned NOT NULL A...

问答 2023-09-06 来自：开发者社区

Flink CDC有没有大佬做过mysql表的数据吧一对多的父子表同步到es中的需求呢，帮解答一下？

Flink CDC有没有大佬做过mysql表的数据吧一对多的父子表同步到es中的需求呢，我想知道flink sql是否有这样的能力，然后我就写sql去试，就发现这一条sql可以跑通，但是是固定数据INSERT INTO es_album_info SELECT a.id,a.name,author_id authorId,(select ROW(id,name) from author whe.....

Flink CDC 实现企业级实时数据同步

传统的数据集成通常由全量和增量同步两套系统构成，在全量同步完成后，还需要进一步将增量表和全量表进行合并操作，这种架构的组件构成较为复杂，系统维护困难。本方案提供 Flink CDC 技术实现了统一的增量和全量数据的实时集成。

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问答 2023-09-06 来自：开发者社区

Flink CDC只支持有主键的同步吗？

Flink CDC只支持有主键的同步吗？我用dataphin，没主键的元表不让我提交

问答 2023-09-06 来自：开发者社区

Flink CDC我是在程序里面把整库同步进行了集成，用savepoint重启任务就是报错？

问题1：Flink CDC我是在程序里面把整库同步进行了集成，程序里启停任务，现在问题是同步数据时候，以前是5张表，一个任务，现在改为7张表一个任务后，用savepoint重启任务就是报错？需要设置allowNonRestoredState参数问题2：命令方式，我也看到有，就是程序里配置，一直找不到

问答 2023-09-06 来自：开发者社区

请问下我使用flink cdc 同步联合主键的mysql表同步不了，是不支持联合主键表吗？

问答 2023-09-06 来自：开发者社区

Flink CDC同步oracle表一个表一个session的问题怎么优化呢？

问答 2023-09-06 来自：开发者社区

Flink CDC删除同步到es里数据的原理是什么呢？

Flink CDC删除同步到es里数据的原理是什么呢，删除product表里的记录，程序是如何去es里删除的呢？我们以前用canal做是配置了一个key，通过这个key去删除。数据已经存储到es里了，要删除es里的数据就要指定条件删除，从表product删除一条数据后会发生什么呢？有没有这方面的资料看看?

问答 2023-09-06 来自：开发者社区

Flink CDC这种是chunk 后，然后同步数据完成了再来关闭的意思吗?

问答 2023-09-06 来自：开发者社区

Flink CDC 并行度的设置和 splitSize 这两个大了直接就不同步了，这是什么情况呢?

Flink CDC 并行度的设置和 splitSize 这两个大了直接就不同步了，这是什么情况呢? 你遇到过没

问答 2023-09-06 来自：开发者社区

Flink CDC能同步Mysql的视图吗？

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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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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