实时计算 Flink版cdc数据窗口的相关内容

阿里云文档 2024-09-14

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。

文章 2024-07-16 来自：开发者社区

实时计算 Flink版产品使用问题之如何对CDC数据进行窗口分组和聚合操作

问题一：Flink CDC里cdc后面是不是不能接窗口函数呢？ Flink CDC里cdc后面是不是不能接窗口函数呢？参考答案： Flink CDC中的CDC源表不支持直接使用窗口函数。如果需要对CDC数据进行窗口分组和聚合操作，可以在捕获到CDC数据后，使用Flink的窗口和开窗函数来处理最终的聚合结果。在Flink中，CDC（Chang...

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 2023-08-16 来自：开发者社区

Flink CDC是非要等下一条数据发送，依赖下一条数据携带时间戳大于窗口的结束时间才会真正的触发？

Flink CDC中我这边在使用Flink的事件时间窗口的时候，关于窗口触发的条件我有一点疑问想咨询一下各位老师我是开了一个2分钟的事件时间的窗口，但是等到两分钟后窗口并没有主动触发，等我后面再发一条数据的时候，窗口再进行了触发所以我想请问窗口的触发机制不是时间点嘛，而是非要等到下一条数据发送，依赖于下一条数据携带的时间戳大于窗口的结束时间，上一个窗口才会真正的触发嘛？

阿里云文档 2023-03-06

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 2024-07-17 09:14:24

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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