MapReduce_Wikipedia/command.txt at master · Gonnuru/MapReduce_Wikipedia · GitHub

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#FULLY DISTRIBUTED MODE
#NAME NODE CONFIG

etc/hadoop/core-site.xml

<configuration>
    <property>
        <name>fs.defaultFS</name>
        <value>hdfs://ec2-18-217-59-170.us-east-2.compute.amazonaws.com</value>
    </property>
	<property>
        <name>hadoop.tmp.dir</name>
        <value>/home/ubuntu/hdfstmp</value>
    </property>
</configuration>


etc/hadoop/hdfs-site.xml

<configuration>
    <property>
        <name>dfs.replication</name>
        <value>1</value>
    </property>
	<property>
        <name>dfs.permissions</name>
        <value>false</value>
    </property>
</configuration>


etc/hadoop/mapred-site.xml

<configuration>
    <property>
        <name>mapred.job.tracker</name>
        <value>hdfs://ec2-18-189-193-160.us-east-2.compute.amazonaws.com</value>
    </property>
</configuration>


#COMMANDS
hdfs namenode –format
HADOOP_HOME/sbin/start-dfs.sh
HADOOP_HOME/sbin/start-yarn.sh
HADOOP_HOME/sbin/mr-jobhistory-daemon.sh start historyserver

hdfs dfs -mkdir /relativeFrequency
hdfs dfs -mkdir /relativeFrequency/Input
hdfs dfs -put ‘/home/ubuntu/Desktop/relativeFrequency/Input/100KWikiText.txt’ /relativeFrequency/Input

hadoop jar '/home/ubuntu/Desktop/relativeFrequency/relativeFrequency.jar' relativeFrequency /relativeFrequency/Input /relativeFrequency/Output
hdfs dfs –cat /relativeFrequency/Output/part-r-00000