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Hadoop version: hadoop-2.5.1-x64.tar.gz The study referenced the Hadoop build process for the two nodes of the http://www.powerxing.com/install-hadoop-cluster/, I used VirtualBox to open four Ubuntu (version 15.10) virtual machines, build four nodes of the
Document directory Format namenode Solution 1: Solution 2: View Original Note: Switch the version from 0.21.0 to 0.20.205.0 or vice versa. There is no way to use the built-in upgrade command (many operations in this article are best written as scripts, which is too troublesome to manually operate) Please indicate the source for reprinting. Thank you. It is really tiring to implement it.Before testing The test uses three machines as the test: Namenode/secondarynamenode: 192.168.1.39 slave0
Server: Nodea -----> master Nodeb -----> slave Nodec -----> slave Create a hadoop account Sudo useradd-d/home/hadoop-m hadoop-s/bin/bash Sudo passwd hadoop Any password. Install necessary environment Jdk install sudo apt-get install sun-java6-jdk After the installation is complete, the jdk is located at/usr/lib/jvm/jav
distributed programs without knowing the underlying details of the distribution. Take advantage of the power of the cluster to perform high-speed operations and storage. The core design of the Hadoop framework is HDFS and MapReduce. HDFS provides storage for massive amounts of data, and MapReduce provides calculations for massive amounts of data.BuildTo build a cluster
Originally thought to build a local programming test Hadoop program Environment is very simple, did not expect to do a lot of trouble, here to share steps and problems encountered, I hope everyone smooth.I. To achieve the purpose of connecting a Hadoop cluster and being able to encode it requires the following preparation:1. Remote
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Hadoop advanced 1. Configure SSH-free (1) Modify the slaves fileSwitch to master machine, this section is all done in master.Enter the/usr/hadoop/etc/hadoop directory, locate the slaves file, and modify:slave1slave2slave3(2) Sending the public keyEnter the. SSH directory under the root directory: Generate Publ
Introduction to Hadoop Hadoop is an open-source distributed computing platform under the Apache Software Foundation. Hadoop, with Hadoop Distributed File System (HDFS, Hadoop Distributed Filesystem) and MapReduce (open-source implementation of Google MapReduce) as the core,
Hadoop cluster Construction I. Purpose This article describes how to install, configure, and manage Hadoop clusters with practical significance. The scale of a Hadoop cluster can be from a small cluster with several nodes to a l
This article to operate the virtual machine is on the basis of pseudo-distributed configuration, the specific configuration of this article will not repeat, please refer to my blog: http://www.cnblogs.com/VeryGoodVeryGood/p/8507795.htmlThis article mainly refer to the Bowen--hadoop cluster installation configuration tutorial _hadoop2.6.0_ubuntu/centos, and "Hadoop
installer will provide you with a separate dialog box for each disk, and it cannot read a valid partition table. Click the Ignore All button, or the Reinitialize All button, to apply the same answer to all devices.2.8 Setting host name and networkThe installer prompts you to provide and the domain name for this computer's hostname format, setting the hostname and domain name. Many networks have DHCP (Dynamic Host Configuration Protocol) services that automatically provide a connection to the do
lzo-2.04-1. el5.rf dependencies: wget http://packages.sw.be/lzo/lzo-devel-2.04-1.el5.rf.i386.rpm wget http://packages.sw.be/lzo/lzo-2.04-1.el5.rf.i386.rpm rpm -ivh lzo-2.04-1.el5.rf.i386.rpm rpm -ivh lzo-devel-2.04-1.el5.rf.i386.rpm Recompile ant compile-native tar! After compilation, you also need to copy the encoding/decoder and native Library to the $ hadoop_home/lib directory. For details about the copy operation, refer to the official Google documentation: cp build/
Install and configure Mahout-distribution-0.7 in the Hadoop Cluster System Configuration: Ubuntu 12.04 Hadoop-1.1.2 Jdk1.6.0 _ 45 Mahout is an advanced application of Hadoop. To run Mahout, you must install Hadoop in advance. Mahout can only be installed on one NameNode node
the version is too old use the following command to ensure that three machines have SSH service)[Email protected]:~# sudo apt-get install SSHGenerate Master's public key:[Email protected]:~# cd ~/.ssh[Email protected]:~# ssh-keygen-t RSA # always press ENTER to save the generated key as. Ssh/id_rsaThe master node needs to be able to have no password SSH native, this step is performed on the master node:[Email protected]:~# cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys(Can be verified with SSH
/ 3.10 Formatting Active master (192.168.201.11)Command: 1 Bin/hadoop Namenode-format 3.11 Start the cluster./start-all.shNow that the cluster has started up, take a look at the command: 1 Bin/hadoop Dfsadmin-report 2 Datanode, open the web and
Use Windows Azure VM to install and configure CDH to build a Hadoop Cluster This document describes how to use Windows Azure virtual machines and NETWORKS to install CDH (Cloudera Distribution Including Apache Hadoop) to build a Hadoop cluster. The project uses CDH (Cloudera
Environment Description 1, operating system CentOS 6.5 2, jdk-7u51-linux-x64.tar.gz Hadoop-1.1.2.tar.gz Hbase-0.94.7-security.tar.gz zookeeper-3.4.5.tar.gz Setting the IP address Set static IP Perform Vim/etc/sysconfig/network-scripts/ifcfg-eth0 device= "eth0" bootproto= "static" onboot= "yes" Type= "Ethernet" ipaddr= "192.168.40.137" prefix= "gateway=" "192.168.40.2" No Internet access after setting static IP, waiting for master to turn off the
1. EnvironmentOperating system: UBUNTU16jdk:1.8hadoop:2.9.1Machine: 3 units, master:192.168.199.88,node1:192.168.199.89,node2:192.168.199.902. Construction steps 2.1 Modify hostname hostname, three machines execute the following commands, and then fill in Master,node1,node2sudo vim/etc/hostname 2.2 Modify the Hosts file, and three machines execute sequentiallysudo vim/etc/hosts 2.3 Modifying environment variables, three in turnVim/etc/profile, and then source/etc/profile make it effec
With the start of Apache Hadoop, the primary challenge for cloud customers is how to choose the right hardware for their new Hadoop cluster. Although Hadoop is designed to run on industry-standard hardware, it is as simple as proposing an ideal cluster configuration that doe
This article assumes the user basic understanding Docker, grasps the Linux basic Use command, understands Hadoop's general installation and the simple configuration Experimental environment: Windows10+vmware WorkStation 11+linux.14.04 server+docker 1.7 Windows 10 as a solid machine operating system, the network segment is: 10.41.0.0/24, virtual machine using NAT network, subnet for 192.168.92.0/24, gateway for 192.168.92.2,linux 14.04 as a virtual system, as a container host, IP is 192.168.92.12
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