5. Start MapReduce JobHistory Server

Change permissions on the container-executor file.

chown -R root:hadoop /usr/hdp/current/hadoop-yarn/bin/container-executor 
chmod -R 650 /usr/hdp/current/hadoop-yarn/bin/container-executor

	Note
	If these permissions are not set, the healthcheck script will return an error stating that the DataNode is UNHEALTHY.

Execute these commands from the JobHistory server to set up directories on HDFS:

su <HDFS_USER>
hdfs dfs -mkdir -p /mr-history/tmp 
hdfs dfs -chmod -R 1777 /mr-history/tmp 
hdfs dfs -mkdir -p /mr-history/done 
hdfs dfs -chmod -R 1777 /mr-history/done
hdfs dfs -chown -R $MAPRED_USER:$HDFS_USER /mr-history
hdfs dfs -mkdir -p /app-logs
hdfs dfs -chmod -R 1777 /app-logs 
hdfs dfs -chown $YARN_USER:$HDFS_USER/app-logs

Run the following command from the JobHistory server:

su -l yarn -c "/usr/hdp/current/hadoop-mapreduce-historyserver/sbin/mr-jobhistory-daemon.sh --config $HADOOP_CONF_DIR start historyserver"

$HADOOP_CONF_DIR is the directory for storing the Hadoop configuration files. For example, /etc/hadoop/conf.