Start YARN

	Note
	To install and configure the Timeline Server see Configuring the Timeline Server.

As $YARN_USER, run the following command from the ResourceManager server:

su -l yarn -c "/usr/hdp/current/hadoop-yarn-resourcemanager/sbin/yarn-daemon.sh --config $HADOOP_CONF_DIR start resourcemanager"

As $YARN_User, run the following command from all NodeManager nodes:
```
su -l yarn -c "/usr/hdp/current/hadoop-yarn-nodemanager/sbin/yarn-daemon.sh --config $HADOOP_CONF_DIR start nodemanager"
```
where: $HADOOP_CONF_DIR is the directory for storing the Hadoop configuration files. For example, /etc/hadoop/conf.

​Start YARN