实时计算 Flink版cdc checkpoints 的相关内容

阿里云文档 2025-04-07

如何通过Flink CDC实时订阅AnalyticDB 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。

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 2025-02-20 来自：开发者社区

Flink CDC任务从savepoint/checkpoints状态中恢复作业错误问题

flink CDC任务监听mysql数据。只要不是从savepoint/checkpoint中恢复，都是能成功运行并监听数据的，但是只要从savepoint/checkpoint中恢复作业，就会报如下错误：Caused by: java.lang.RuntimeException: One or more fetchers have encountered exception at org...

阿里云文档 2024-06-28

社区CDC

本文为您介绍如何在阿里云实时计算Flink版中使用社区版CDC（Change Data Capture）连接器，以及更改连接器名称。

问答 2023-12-10 来自：开发者社区

Flink CDC针对大状态如何做到快速checkpoints?

Flink CDC针对大状态如何做到快速checkpoints?原生连接器,用文件系统的要比s3的要高吧,检查点存储?如果这里的本机文件系统目录挂在的是nas，应该flink会像本机目录一样处理吧?我用的operator-checkpoints-ha那个示例,现在大概半个小时就会挂掉，然后也没有检查点

文章 2023-08-15 来自：开发者社区

Flink CDC 中，Checkpoints

在 Flink CDC 中，Checkpoints 是用于实现故障恢复和容错的机制。Checkpoints 记录了作业执行过程中的状态信息，包括 MySQL binlog 的位置（即 binlog pos）以及其他任务的状态等。对于 binlog pos，它在 Checkpoint 过程中会被更新。Flink CDC 会周期...

阿里云文档 2023-01-29

如何使用FlinkCDC将MySQL数据同步至EMRServerlessStarRocks

本文为您介绍如何使用Flink CDC将MySQL数据同步至EMR Serverless StarRocks中。

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更新时间 2025-02-21 12:49:15

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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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实时同步

MySQL 到 Hologres

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功能对比

开源Flink对比

成本优化

作业自动调优