MapReduce PageRank ------------------ PageRank, as many other graph algorithms does not fit the MapReduce programming model. It's just a different kind of nail for a very nice hammer. However, if you really want, you can bang here and there and get it done. mvn hadoop:pack (see: http://github.com/akkumar/maven-hadoop) hadoop fs -mkdir hdfs://localhost/user/castagna/src/ hadoop fs -mkdir hdfs://localhost/user/castagna/src/test hadoop fs -mkdir hdfs://localhost/user/castagna/src/test/resources hadoop fs -copyFromLocal src/test/resources/* hdfs://localhost/user/castagna/src/test/resources/ hadoop fs -rmr hdfs://localhost/user/castagna/target/ mvn hadoop:pack; hadoop --config conf/hadoop-local.xml jar ./target/hadoop-deploy/pagerank-hdeploy.jar com.talis.labs.pagerank.mapreduce.PageRank ./src/test/resources/datasets/small/ ./target/output 30 0.00001 Maven ----- Once you have installed Maven, you can have fun with the following commands: mvn -Declipse.workspace=/opt/workspace eclipse:add-maven-repo mvn eclipse:clean eclipse:eclipse -DdownloadSources=true -DdownloadJavadocs=true mvn dependency:resolve mvn compile mvn test mvn package mvn site mvn install mvn deploy -- Paolo Castagna, Talis Systems Ltd.