miPlodder / Hadoop-Basic-Codes

This repo contains basic Hadoop Codes written in Java.

Hadoop-Basic-Codes

This repo contains basic Hadoop Codes written in Java.

Usage

Run commands mentioned below in terminal,

1. Start Hadoop

>> sudo systemctl start sshd
>> start-dfs.sh
>> start-yarn.sh

2. Execute below command to see the working nodes in the system

>> jps

3. Make new directory for the every hadoop program

>> hdfs dfs -mkdir /wordCount

4. Now, add input file into the directory made above

>> hdfs dfs -put /home/vitchennai/Desktop/input.txt /wordCount/input.txt

5. Finally, run the hadoop program by entering the command mentioned below

>> hadoop jar Desktop/wordCount.jar Driver /wordCount/input.txt /wordCount/output