Hadoop PageRank

PageRank algorithm implementation which make use of the Apache Hadoop framework.

Execute the program

• Install Hadoop on your machine [OSX], [Linux]
• Pick a dataset from the Stanford web graphs collection
• Place the dataset in your Hadoop FS
• Create the directory which will contain the output
• Build a JAR using this source code and name it pagerank.jar
• Launch the software using Hadoop: hadoop jar pagerank.jar --input <in> --output <out>
• Browse the PageRank output result which can be found in the Hadoop FS

Usage reference

• --help (-h): display the help text
• --damping (-d) : the damping factor [OPTIONAL] [DEFAULT = 0.85]
• --count (-c) : the amount of iterations [OPTIONAL] [DEFAULT = 2]
• --input (-i) : the directory of the input graph [REQUIRED]
• --output (-o) : the directory of the output result [REQUIRED]