实时计算 Flink版聚合查询的相关内容

阿里云文档 2025-11-27

调用QueryConvertPrepayInstancePrice查询包年包月转按量付费的退款金额-实时计算 Flink版-阿里云

调用本API可以查看您的Flink实例从包年包月模式转为按量付费模式后，预计退款的金额，转为按量付费后将按小时计量您的使用情况并产生账单。

阿里云文档 2025-10-20

本文介绍如何在阿里云Flink中通过Iceberg REST与DLF Catalog对接，包括创建Catalog和执行查询的完整流程

本文为您介绍如何在阿里云实时计算Flink版上实现Flink SQL 以Iceberg REST与DLF Catalog对接。

阿里云文档 2025-09-19

本文介绍了使用Flink、EMR Serverless Spark和Paimon构建流批一体数据湖分析的完整流程，包括数据写入、交互查询及Compact操作。

本文演示了使用实时计算Flink版和EMR Serverless Spark构建Paimon数据湖分析流程。该流程包括将数据写入OSS、进行交互式查询以及执行离线数据Compact操作。EMR Serverless Spark完全兼容Paimon，通过内置的DLF元数据与其他云产品（例如，实时计算Flink版）实现元数据互通，形成完整的流批一体化解决方案。它支持灵活的任务运行方式和参数配置，满足实...

阿里云文档 2025-09-18

淘宝母婴订单实时查询与大屏

本文将为您介绍如何通过实时计算Flink版实时处理MySQL中的订单和婴儿信息，构建宽表，并将结果写入Elasticsearch。最终通过Kibana实现分组聚合与大屏展示，从而揭示订单数量与婴儿出生的潜在关系。

阿里云文档 2025-08-15

SQL查询脚本

查询脚本支持Call和DDL、DQL、DML语法。您可以通过查询脚本创建管理Catalog、表、数据查询，可以使用explain语法查看执行计划定位问题，也可以实现对Paimon的管理。

问答 2024-06-05 来自：开发者社区

Flink下游业务系统能不能每5分钟聚合一次，不要实时去聚合查询？

问答 2022-02-15 来自：开发者社区

Flink - 如何在多个任务槽中聚合和查询富接收器功能状态

我实现了一个rich sink函数，它根据调用的对象执行一些网络调用。我希望能够计算这些事件的一些元数据，这些事件由事件中包含的某些上下文信息（事件的batchID）键入，并将此元数据公开给外部系统。例如，事件如下所示：case class MyEvent(batchId: String, eventId: String, moreInformation: ...)class MySink(......

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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