@[toc]11.MapReduce概述11.1MapReduce定义 MapReduce是一个分布式运算程序的编程框架，是用户开发“基于Hadoop的数据分析应用”的核心框架。 MapReduce核心功能是将用户编写的业务逻辑代码和自带默认组件整合成一个完整的分布式运算程序，并发运行在一个Ha...

hadoop中用什么来表示MapReduce守护进程的配置项？

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更新时间 2024-03-26 09:31:14

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