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From Claudio Martella <claudio.marte...@gmail.com>
Subject Re: Problem running PageRank Example
Date Thu, 18 Apr 2013 23:56:30 GMT
what do the logs say?


On Thu, Apr 18, 2013 at 9:04 PM, Alexandros Daglis <
alexandros.daglis@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
>



-- 
   Claudio Martella
   claudio.martella@gmail.com

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