![]() ![]() Node ~]# ifconfig|grep 'inet addr'|head -1 Master ~]# ifconfig|grep 'inet addr'|head -1 The following instructions also works on RHEL/ CentOS 6.x versions. In this tutorial I’m using two CentOS 6.3 VMs ‘ master‘ and ‘ node‘ viz. Namenode ( NN) is a master daemon which controls HDFS and Jobtracker ( JT) is master daemon for mapreduce engine. Hadoop is an open source programing framework developed by apache to process big data. It uses HDFS ( Hadoop Distributed File System) to store the data across all the datanodes in the cluster in a distributive manner and mapreduce model to process the data.
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