Hadoop

It contains step by step explanation of some Big Data Analytics Experiments which are listed below.

• Hadoop Installation
• Wordcount_Mapreduce_On SingleN_cluster
• HIVE Installation and Configration + Query Processing on HDFS
• Pig Script

Some Important Commands

• sudo rm -r -f /usr/local/hadoop/
---> Uninstall Hadoop
• sudo apt install openssh-server
---> Extra Command for Ubuntu 18.04
• sudo rm -r -f /usr/local/hive/
---> Uninstall Hive
• lsb_release -a
---> Know Ubuntu Version
• start-all.sh
---> To start Hadoop Service
• hadoop fs -rm /user/hdoop/rawdata
---> remove file from Hadoop system
• hadoop fs -rmr /user/hdoop/sentimentalAnaylysis
---> remove Directory/Folder from Hadoop system