Step by Step Tutorial to Deploy Hadoop Cluster (fully distributed mode):
To setup Hadoop in cluster (distributed cluster) requires multiple machines/nodes, one node will act as master and rest all will act as slaves.
If you want Hadoop quick introduction please click here.
If you want to setup hadoop in pseudo distributed mode please click here
In this tutorial:
- I am using 3 nodes, 1 master 2 slaves
- I am using Cloudera distribution for Apache hadoop CDH3U3 (you can use Apache hadoop (0.20.X) also)
- I am deploying hadoop on ubuntu (you can use other OS (cent OS, Redhat, etc))
Install / Setup Hadoop on cluster
Install Hadoop on master:
1. Add entry of master and slaves in hosts file:
Edit hosts file and following add entries
$ sudo pico /etc/hosts
(In place of MASTER-IP, SLAVE01-IP, SLAVE02-IP put the value of corresponding IP)