Hadoop集群搭建，基于3.3.4hadoop Hadoop集群搭建，我这里采用的是Hadoop3.3.4，Jdk1.8，centos8,vmware16版本的。 1.虚拟机的创建首先我们需要创建三台虚拟机,先创建第一台虚拟机，然后对第一台虚拟机进行配置（网络配置，免密配置，jdk,hadoop环境的安装），然后进行克隆，将第一台虚拟机克隆两个虚拟机出来，最后开始搭建集群。一些目录说明：....

文章 2022-06-15 来自：开发者社区

Docker 上部署一主两从Hadoop集群 | [Centos8]（下）

step4 关闭防火墙命令行关闭命令是systemctl stop iptables.service在三个机器都需要进行操作：DMaster315:DSlave01-315:DSlave02-315:*** bug fix2.0 重启容器后，防火墙再次重启，影响集群正常工作step5 hadoop配置文件修改在DMaster315操作：cd /usr/local/hadoop/etc/hadoo....

文章 2022-06-15 来自：开发者社区

Docker 上部署一主两从Hadoop集群 | [Centos7]（上）

写在前面配置前须知请用root用户登录虚拟机，以保证有充分的操作权限可以使用第三方终端来连接虚拟机，这样会让我们配置的效率更高有良好的心态来应对可能出现的意料之外的问题，有问题可以留言或私信，博主将会第一时间回复在中途配置的过程中，尽量不要重启虚拟机，以免配置失效，如果重启，可能需要重新配置/etc/下的文件配置过程中的主机名等请自行修改为自己的个人所需信息第三方终端可以使用Windows自带的....

文章 2022-06-15 来自：开发者社区

Hadoop集群搭建记录 | 云计算[CentOS7] | 伪分布式集群 Master运行WordCount

写在前面本系列文章索引以及一些默认好的条件在传送门step1 eclipse访问hadoop首先需要明确eclipse安装目录，然后将hadoop-eclipse-plugin_版本号.jar插件放在安装目录的dropins下关于插件，可以通过博主上传到csdn的免费资源获取，链接具体版本可以自己选择：step2 重启并配置eclipse在eclipse界面中依次选择：Window→show v....

文章 2022-06-15 来自：开发者社区

Hadoop集群搭建记录 | 云计算[CentOS7] | 伪分布式集群各节点之间免密登录

写在前面本系列文章索引以及一些默认好的条件在传送门首先在master节点操作！！！step1 安装openssh-server在配置ssh免密登录之前，需要在三个节点先安装好openssh-serveryum install openssh-server step2 .ssh文件夹的创建及生成密钥文件切换目录到root用户的.ssh目录下：（如果没有，请先创建：mkdir -p ~/.sshc....

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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