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Basic Hadoop Commands & Resources

Install location – /opt/interset/hadoop-2.5.2
                         – Symlink @ /opt/interset/hadoop

Confirm file/folder permissionsls -l data/interset/hadoop/ /data/interset/hadoop/hdfs/

Start Hadoopstart-dfs.sh

Stop Hadoopstop-dfs.sh

Confirm Hadoop is runningjps
- Look for “DataNode”, “NameNode”, and potentially “SecondaryNameNode”

HDFS web interface – http://<ANALYTICS_SERVER>:50070

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