hadoop节点的相关内容

文章 2015-09-01 来自：开发者社区

hadoop集群多节点安装详解

经常使用工具自动构建大规模集群环境，小环境也有10几台的机器，虽然自动部署很省事，但自动构建的背后那些机器自动完成的工作让我们疏忽了，特别是要自己构建一个小集群用于了解搭建细节和原理还是很有帮助的，今天为复习和了解下hadoop各进程间协调运行的原理，搭建了一个3节点的机器，并记录自己的搭建过程。一搭建集群基本环境配置 IP &nbs...

文章 2015-08-05 来自：开发者社区

hadoop删除节点和添加节点

从hadoop移除机器把需要移除的机器增加到exclueds文件中，强制刷新datanode列表，等待decommission 状态正常后，即可停机下架，如有必要在namenode执行balancer操作。操作命令：在master的conf/hdfs-site.xml中加入 <property> &nb...

文章 2015-05-06 来自：开发者社区

[Hadoop]Hadoop添加节点datanode

部署hadoop 和普通的datanode一样。安装jdk，ssh 修改host 和普通的datanode一样。添加namenode的ip 修改namenode的配置文件conf/slaves 添加新增节点的ip或host 在新节点的机器上，启动服务 [root@slave-004 hadoop]# ./bin/hadoop-daemon.sh start datanode [root...

文章 2015-04-06 来自：开发者社区

显示当前Hadoop集群节点上启动的进程

#!/bin/sh #查看hadoop的运行状态 function hadoopState(){ COUNT=1 while [ ${COUNT} -le ${NUM} ] do echo "**********查看hadoop${COUNT}上hadoop的运行状态********" #连接远程主机查看运行状态 ssh -t -p 22 hadoop${COUNT} "jps...

文章 2013-04-06 来自：开发者社区

说到作到，HADOOP双节点配置成功

参考文档： http://jenming.wordpress.com/2012/10/08/running-hadoop-on-centos-6-multi-node-cluster/ 还是外国友人写的靠谱。无密码SSH验证，这个百试百灵，而其它国内写的，都要靠运气呀。不过，这块知识我确实有点弱。。这次测试的是一个NAMENODE，两个DATANODE，用ESX虚拟机完成测试。相关50.....

文章 2012-03-11 来自：开发者社区

完全分布模式hadoop集群安装配置之二添加新节点组成分布式集群

前文说到如何搭建集群中第一个节点，这篇将说到如何向集群添加节点。这篇是基于前文的，没有看过前文的可以参考此链接：http://www.cnblogs.com/mikelij/archive/2012/03/06/2380937.html 2 向集群添加节点前文已经建立了一个节点的hadoop集群。现在要做的添加节点。安装JDK, 创建hadoop用户等见...

文章 2012-03-06 来自：开发者社区

完全分布模式hadoop集群安装配置之一安装第一个节点

本系列文章讲述搭建完全分布模式hadoop的安装配置过程，还将讲述完全分布式模式的一些基本操作。准备采用先单机调通再加入节点的方式。本文只讲述单节点的安装和配置。 1. Namenode和JobTracker的安装这是完全分布模式集群的第一台，也是很关键的一台。采用VMWARE虚拟的Ubuntu Linux...

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开源大数据平台 E-MapReduce

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