hadoop伪分布安装部署的相关内容

文章 2019-06-20 来自：开发者社区

Hadoop伪分布式集群的安装部署

Hadoop伪分布式集群的安装部署Hadoop伪分布式集群的安装部署首先可以为Linux虚拟机搭建起来的最初状态做一个快照，方便后期搭建分布式集群时多台Linux虚拟机的准备。一、如何为虚拟机做快照? 1、什么是快照？快照就是对当前的虚拟机状态进行拍照，保留虚拟机当前状态的操作信息。 2、为什么要为虚拟机做快照？第一：为克隆不同状态的虚拟机提前做准备。第二：当对虚拟机...

文章 2017-11-13 来自：开发者社区

hadoop伪分布式安装部署HIVE

应用场景当我们按照hadoop伪分布式集群搭建博客搭建了hadoop以后，发现这是一个空的hadoop，只有YARN，MapReduce，HDFS，而这些实际上我们一般不会直接使用，而是需要另外部署Hadoop的其他组件，来辅助使用。比如我们把数据存储到了hdfs，都是文件格式，用起来肯定不方便，用HIVE把数据从HDFS映射成表结构，直接用sql语句即可操作数据。另外针对分布式数据计...

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