实时计算 Flink版dynamic 的相关内容

文章 2024-08-22 来自：开发者社区

Flink SQL 在快手实践问题之使用Dynamic Cumulate Window绘制直播间累计UV曲线如何解决

问题一：CUMULATE窗口函数相比传统方案有哪些优点？ CUMULATE窗口函数相比传统方案有哪些优点？参考回答： CUMULATE窗口函数的优点包括使用窗口结束时间作为横坐标，确保每个点的纵坐标是对应时间点的累计值，使曲线在回溯历史或作业failover时都能完全还原，且分维度值相加等于总维度值；同时，使用两阶段聚合防止distinct key倾...

问答 2024-07-30 来自：开发者社区

Flink如何通过Dynamic Table解决消息队列无法有效进行实时分析的问题？

问答 2024-07-23 来自：开发者社区

如何在Flink SQL中使用Dynamic Cumulate Window绘制直播间累计UV曲线？

问答 2024-06-08 来自：开发者社区

Flink写入odps报错Too many dynamic partitions: 100, ...

Flink写入odps报错Too many dynamic partitions: 100, which exceeds the size limit: 100

问答 2022-07-24 来自：开发者社区

flink 最新的dynamic table storage好像很有用，过去流计算中间结果我都是发到

flink 最新的dynamic table storage好像很有用，过去流计算中间结果我都是发到kafka，有了这个storage能不能不用sink就直接存成数据湖hudi或者iceberg，有没有例子可以参考，感觉很有用可是信息太少了除了一个flip和一些大厂分享了提到，不知道具体怎么玩

文章 2022-02-15 来自：开发者社区

Flink Table/SQL API 规划 —— Dynamic Table

动态表的概念是社区很早就提出的但并没有全部实现下文中所有介绍都是基于已有规划和proposal给出的，可能与之后实现存在出入仅供参考概念动态表直观上看是一个类似于数据库中的Materialized View概念。动态表随着时间改变；类似静态的batch table一样可以用标准SQL进行查询然后一个新的动态表；可以和流无损地互相转换(对偶的)。对现有的API最大的改进关键在表的内容随着时间.....

问答 2022-02-15 来自：开发者社区

Flink 中的Dynamic Table基础概念是什么意思？

问答 2022-02-15 来自：开发者社区

flink-1.11.2版本，客户端如何设置dynamic properties？

hi，请教一下：场景：本地使用YarnClusterDescriptor的deployJobCluster方法，提交JobGraph以yarnPer的模式运行到yarn集群。问题：通过YarnClusterDescriptor的构造器，传入flinkConfiguration配置（在flinkConfiguration中设置dynamicProperties），并不能生效。之前，使用f...

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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