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复制master上的Hadoop到slave节点（只在master做）通过复制master节点上的hadoop，能够大大提高系统部署效率，假设我们有200台需要配置…笔者岂不白头，话不多说直接 scp由于我这里有slave1和slave2，所以复制两次。复制命令：执行命令即可scp -r /opt/hadoop root@slave1:/opt scp ....

文章 2023-01-17 来自：开发者社区

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配置文件系统（只在master做）Hadoop 的文件系统配置文件是 hdfs-site.xml ，位于 /opt/hadoop/hadoop/etc/hadoop 子目录下，用vi编辑该文件，需要将以下代码放在文件的和之间。执行编辑hdfs-site.xml文件的命令：vi /opt/hadoop/hadoop/etc/hadoop/hdfs-site.xml需要在和之间加入的代码：<p....

文章 2023-01-17 来自：开发者社区

VMware创建Linux虚拟机之（三）Hadoop安装与配置及搭建集群上

Hello，world！本篇博客使用到的工具有：VMware16 ，Xftp7若不熟悉操作命令，推荐使用带GUI页面的CentOS7虚拟机我将使用带GUI页面的虚拟机演示虚拟机（Virtual Machine）指通过软件模拟的具有完整硬件系统功能的、运行在一个完全隔离环境中的完整计算机系统。在实体计算机中能够完成的工作在虚拟机中都能够实现。在计算机中创建虚拟机时，需要将实体机的部分硬盘和内存容量....

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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EMR实时计算实践