My first guess: The directories for inputFormat and outputFormat are missing the folder 'formats'. -if org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -of org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexOutputFormat
Maria On Thu, Apr 18, 2013 at 9:04 PM, Alexandros Daglis < alexandros.dag...@epfl.ch> wrote: > Hello everybody, > > it's been a while since I last ran the PageRank example. Back then, there > was no GiraphRunner, and the example cound be executed directly. Now, I am > trying to test something but I cannot manage to make the example work. I > use the following command: > > hadoop jar > giraph-0.2-SNAPSHOT-for-hadoop-0.20.203.0-jar-with-dependencies.jar > org.apache.giraph.GiraphRunner > org.apache.giraph.examples.SimplePageRankVertex > -if org.apache.giraph.io.JsonLongDoubleFloatDoubleVertexInputFormat -w 1 > -ip JSON_input -of > org.apache.giraph.io.JsonLongDoubleFloatDoubleVertexOutputFormat -op > outputJSON > > The map phase proceeds up to 50% and then it freezes. > If I use 2 workers it freezes at 66%, with 3 workers at 75% etc. > > Anyone has any idea about what might be causing the problem? > > Thanks a lot in advance, > Alexandros > -- Maria Stylianou Intern at Telefonica, Barcelona, Spain Master Student of European Master in Distributed Computing<http://www.kth.se/en/studies/programmes/master/em/emdc> Universitat Politècnica de Catalunya - BarcelonaTech, Barcelona, Spain KTH Royal Institute of Technology, Stockholm, Sweden Phone: +34 622 211 885
