💻 CCS334 - Big Data Analytics Lab | EX 4 – Word Count using MapReduce| Hadoop Practical |Cyber Codex

🎓 Anna University – CCS334 Big Data Analytics Laboratory (R-2021)
📘 Experiment No: 4 – Run a basic Word Count MapReduce program to understand the MapReduce Paradigm

In this lab video, you will learn 👇
🔹 What is MapReduce and how it works in Hadoop
🔹 How to write a Word Count program using Java/Python
🔹 Step-by-step execution in Hadoop terminal
🔹 Output verification & troubleshooting tips

💡 Ideal for B.E/B.Tech AI&DS, CSE, IT students of Anna University Regulation 2021 & 2025 preparing for Big Data Lab practicals and viva questions.

🔹 Language: Tamil Explanation + English Commands
🔹 Software Used: Hadoop 3.x on Windows/Linux
🔹 Lab Code: CCS334

📚 Timestamps

⏰ 00:00 – Intro to Big Data Analytics Lab
⏰ 01:10 – What is MapReduce Paradigm
⏰ 02:00 – Word Count Program Overview
⏰ 03:15 – Map Function Explanation
⏰ 04:45 – Reduce Function Explanation
⏰ 05:00 – Hadoop Setup Reminder
⏰ 06:00 – Running Word Count in HDFS
⏰ 06:10 – Checking Output Files

🔗 Previous Experiments Playlist & Links

📹 EX 1 – Downloading and Installing Hadoop | Understanding Hadoop Modes
👉 Watch Now - https://youtu.be/5uY7t7WNdi0

📹 EX 2 – Hadoop File Management Tasks (Add, Retrieve, Delete)
👉 Watch Now - https://youtu.be/6z6xS32O4wI

🌐 Full Lab Manual & Programs Available Here:
👉 https://cybercodex5193.blogspot.com/2025/10/run-basic-word-count-map-reduce-program.html
EX no:6,7 procedure
https://cybercodex5193.blogspot.com/2025/10/installation-of-hbase-installing-thrift.html

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