Set Up Hadoop Multi-Node Cluster on CentOS 6
The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple programming models. Our earlier article about hadoop was describing to how to setup single node cluster . This article will help you for step by step installing and configuring Hadoop Multi-Node Cluster on CentOS/RHEL 6. Setup Details: Hadoop Master: 192.168.1.15 ( hadoop-master ) Hadoop Slave : 192.168.1.16 ( hadoop-slave-1 ) Hadoop Slave : 192.168.1.17 ( hadoop-slave-2 ) Step 1. Install Java Before installing hadoop make sure you have java installed on all your systems. If you do not have java installed use following article to install Java. Steps to install JAVA on CentOS 5/6 or RHEL 5/6 Step 2. Create User Account Create a system user account on both master and slave systems to use for hadoop installation # useradd hadoop # passwd hadoop Changing password for user hadoop. New password: Retype ...