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Installing Hadoop

Hadoop should be downloaded in the master server using the following procedure. # mkdir /opt/hadoop # cd /opt/hadoop/ # wget http://apache.mesi.com.ar/hadoop/common/hadoop-1.2.1/hadoop-1.2.0.tar.gz # tar -xzf hadoop-1.2.0.tar.gz… Read More »Installing Hadoop

Using HDFS

Format the configured HDFS file system and then open the namenode (HDFS server) and execute the following command. $ hadoop namenode -format Start the distributed… Read More »Using HDFS