实时计算 Flink版案例分析的相关内容

文章 2023-12-26 来自：开发者社区

基于Flume+Kafka+Hbase+Flink+FineBI的实时综合案例(三)离线分析

08：离线分析：Hbase表设计及构建目标：掌握Hbase表的设计及创建表的实现路径step1：基础设计step2：Rowkey设计step3：分区设计step4：建表实施基础设计Namespace：MOMO_CHATTable：MOMO_MSGFamily：C1Qualifier：与数据中字段名保持一致Rowkey设计查询需求：根据发件人id + 收件人id + 消息日期查询聊天记录发件人账....

文章 2022-06-13 来自：开发者社区

【Flink】（十三）Flink CEP Library 使用案例分析

文章目录一、前言二、CEPTest三、Alert四、MonitoringEvent五、TemperatureEvent一、前言根据Flink CEP library来监控数据中心中每个机柜的温度。当在一定的时间内，如果有2个连续的Event中的温度超过设置的阈值时，就产生一条警告；一条警告也许还不是很坏的结果，但是如果我们在同一个机柜上连续看到2条这种警告，这种情况比较严重了。所以根据第一个警告....

文章 2018-02-08 来自：开发者社区

Flink SQL 功能解密系列 —— 流计算“撤回(Retraction)”案例分析

什么是retraction（撤回）通俗讲retract就是传统数据里面的更新操作，也就是说retract是流式计算场景下对数据更新的处理方式。首先来看下流场景下的一个词频统计列子。没有retract会导致最终结果不正确↑： retract发挥的作用下面再分享两个双十一期间retract保证数据正确性的业务case: case1：菜鸟物流订单统计同一个订单的商品在运输过程中，因...

文章 2017-11-21 来自：开发者社区

Flink之CEP案例分析-网络攻击检测

上一篇我们介绍了Flink CEP的API，这一篇我们将以结合一个案例来练习使用CEP的API编写应用程序，以强化对API的理解。所选取的案例是对网络遭受的潜在攻击进行检测并给出告警。当下互联网安全形势仍然严峻，网络攻击屡见不鲜且花样众多，这里我们以DDOS（分布式拒绝服务攻击）产生的流入流量来作为遭受攻击的判断依据。假定一家云服务提供商，有多个跨地区的数据中心，每个数据中心会定时向监控中心.....

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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