Configure Hadoop and start cluster services using Ansible Playbook
Today, we will learn how to configure hadoop cluster using ansible. Setup: We need 3 machines - Ansible controller node(192.168.1.7), Hadoop Namenode(192.168.1.9), Hadoop Datanode(192.168.1.8) Steps: namenode install java install hadoop create a directory hdfs-site file config <property> <name>dfs.data.dir</name> <value>/nn<value> </property> format directory with hadoop core-site file config <property> <name>fs.default.name</name> <value>hdfs://192.168.1.9:9001<value> </property> stop firewall start service slavenode install java install hadoop create a directory hdfs-site file config <property> <name>dfs.data.dir</name> <value>/dn<value> </property> core-site file config <property> <name>fs.default.name</name> <value>hdfs://192.168.1.9:9001<value> </property> stop firewall start ser...