Starting and stopping Apache hadoop and yarn

Starting Hadoop

Login to server through putty
Change to hadoop user
Navigate to HADOOP_HOME/sbin directory
Start hadoop using the command start-dfs.sh command

Now check the started nodes by using jps command as below






Check the nodes information by this url http://hostname:50070

Starting Yarn

Login to server through putty
Change to hadoop user
Navigate to HADOOP_HOME/sbin directory
Start yarn using the command start-yarn.sh command

Now check the started nodes by using jps command as below

Check the nodes information by this url http://hostname:8088

Stopping yarn

Login to server through putty
Change to hadoop user
Navigate to HADOOP_HOME/sbin directory
Stop yarn using the command stop-yarn.sh command

Stopping hadoop

Login to server through putty
Change to hadoop user
Navigate to HADOOP_HOME/sbin directory
Stop hadoop using the command stop-dfs.sh command