Thanks Avery. I am using the following now - 

$HADOOP_HOME/bin/hadoop jar ~/.local/bin/giraph-examples.jar 
org.apache.giraph.GiraphRunner -libjars ~/.local/bin/giraph-core.jar 
org.apache.giraph.examples.PageRankVertex -vif 
org.apache.giraph.examples.LongDoubleNullTextInputFormat -vip 
/user/vikesh/input/twitter_rv_adj.txt -of 
org.apache.giraph.examples.VertexWithDoubleValueNullEdgeTextOutputFormat -op 
/user/vikesh/twitter_rv_exp_16 -mc 
org.apache.giraph.examples.RandomWalkVertexMasterCompute -wc 
org.apache.giraph.examples.RandomWalkWorkerContext -w 16 

Thanks, 
Vikesh Khanna, 
Masters, Computer Science (Class of 2015) 
Stanford University 


----- Original Message -----

From: "Avery Ching" <ach...@apache.org> 
To: user@giraph.apache.org 
Sent: Wednesday, April 9, 2014 10:03:40 AM 
Subject: Re: PageRank on custom input 

Hi Vikesh, 

You just need to write an input format or use an existing one. You can specify 
any number and combination of VertexInputFormat and EdgeInputFormat formats as 
per your needs. 

Please see giraph-core/src/main/java/org/apache/giraph/io/formats for some 
examples. 

Avery 

On 4/7/14, 9:57 PM, Vikesh Khanna wrote: 



Hi, 

We want to run a PageRank job (similar to PageRankBenchmark) for custom input 
graph. Is there an example for this? Giraph's website has a page for this but 
it is incomplete - http://giraph.apache.org/pagerank.html 

Thanks, 
Vikesh Khanna, 
Masters, Computer Science (Class of 2015) 
Stanford University 






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