实时计算 Flink版增量快照的相关内容

阿里云文档 2025-09-11

如何通过Flink CDC实时订阅AnalyticDB for PostgreSQL的全量和增量数据

AnalyticDB for PostgreSQL提供自研的CDC连接器，基于PostgreSQL的逻辑复制功能实现订阅全量和增量数据，可与Flink无缝集成。该连接器能够高效捕获源表的实时变更数据，支持实时数据同步、流式处理等，助力企业快速响应动态数据需求。本文介绍如何通过阿里云实时计算Flink版CDC实时订阅AnalyticDB for PostgreSQL的全量和增量数据。

问答 2025-02-11 来自：开发者社区

Flink-CDC 2.4.0版本增量快照模式不生效

通过Flink DataStream Api传入了参数scan.incremental.snapshot.enabled = true，但运行时还是打印锁表操作的日志，没有开启增量快照模式Snapshot step 3 - Locking captured tables

问答 2024-08-26 来自：开发者社区

flink-cdc支持 postgre的增量快照吗？

咨询一下，flink-cdc支持 postgre的增量快照吗，我对比了flink-cdc mysql和postgre connector的代码，mysql有很多增量快照相关的代码，但好像postgre没有，所以想确认一下

问答 2024-08-13 来自：开发者社区

Flink CDC 2.2 版本支持哪些新数据源，兼容哪些 Flink 版本，提供了什么增量快照读取

Flink CDC 2.2 版本支持哪些新数据源，兼容哪些 Flink 版本，提供了什么增量快照读取框架？

问答 2024-08-12 来自：开发者社区

在Flink CDC中，无锁的增量快照，等指标没输入数据stop job，这个咋实现？配置参数吗？

问答 2024-07-31 来自：开发者社区

在Flink CDC中，api的checkpoint就会出现失败，等增量快照结束就恢复正常？

在Flink CDC中，用datastreamapi和flinksql两种方式采集同一张表数据，sql的checkpoint就没问题，api的checkpoint就会出现失败，等增量快照结束就恢复正常？

问答 2024-07-26 来自：开发者社区

在Flink CDC中增量快照阶段checkpoint失败有啥排查方式吗？

问答 2024-07-23 来自：开发者社区

Flink在增量快照阶段checkpoint失败

Hadoop：3.3.6Flink：1.17.1JDK：1.8启动任务后，任务处在增量快照阶段，checkpoint进度一直卡在0%，超时候则显示失败，当增量快照阶段结束后，checkpoint则恢复正常的保存，保存时间大概在20ms左右，请问遇到这种情况应该如何排查？

问答 2024-06-08 来自：开发者社区

实时计算 Flink版产品使用合集之sqlserver增量快照，用户需要什么权限

问题一：忘了Flink CDC这两种有什么区别了？一般是下载下面那种吧？忘了Flink CDC这两种有什么区别了？一般是下载下面那种吧？参考回答： Apache ZooKeeper 3...

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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