markdown# MapReduce DNA Sequence Analysis

Hadoop MapReduce program for counting DNA sequence patterns in Java.

Features

• Counts occurrences of 2-mers, 3-mers and 4-mers in DNA sequences
• Processes each line independently
• Input: E. coli DNA sequence

How to Run

Compile: javac WordCount.java jar cf wordcount.jar WordCount*.class Run on Hadoop: hadoop jar wordcount.jar WordCount input/ output/

Input

• input/ecoli.txt - E. coli DNA sequence file

Output

• output.txt - Contains occurrence counts for all 2-mers, 3-mers and 4-mers

Technologies

Java, Hadoop, MapReduce