一、Flink CDC 简介Flink CDC[1] 是基于数据库的日志 CDC 技术，实现了全增量一体化读取的数据集成框架。配合 Flink 优秀的管道能力和丰富的上下游生态，Flink CDC 可以高效实现海量数据的实时集成。作为新一代的实时数据集成框架，Flink CDC 具有全增量一体化、无锁读取、并行读取、表结构变更自动同步、分布式架构等技术优势，同时社区提供了完善的中英文文档支持[2....

问答 2023-04-26 来自：开发者社区

Flink CDC 2.0 提出了增量快照算法后，通过切片能够将 checkpoint 粒度降至 c

Flink CDC 2.0 提出了增量快照算法后，通过切片能够将 checkpoint 粒度降至 chunk，并且 chunk 大小是用户可配置的，默认是 8096 条，用户可以将其调至更小，减轻 writer 的压力，减少内存资源的使用，提升下游写入存储时的稳定性，这个调整参数有谁知道吗？

问答 2023-04-19 来自：开发者社区

Flink2.4有计划什么时候发布么，坐等增量快照集成到其它connector？

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更新时间 2025-02-12 12:39:25

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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

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