本书主要介绍实时大数据计算领域的相关技巧和经验，包括Flink、Spark和Storm等流处理框架技术。全书从搭建开发环境开始，逐步实现流处理，循序渐进地引导读者学习如何利用Rabbit MQ、Kafka和NiFi以及Storm、Spark、Flink和Beam等组件协同应用来解决实际问题。
本书内容分为6个部分，分别是“导言——熟悉实时分析”“搭建基础设施”“Storm实时计算”“使用Spark实现实时计算”“使用Flink实现实时分析”以及“综合应用”。
在阅读本书之前，读者应具备基本的Java和Scala编程基础，还应熟悉Maven、Java和Eclipse的安装和配置流程。
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