I am using Giraph solely for performance characterization - primarily comparing 
hardware platforms but also for Hadoop configuration tuning.  Am I correct that 
we could use the PseudoRandomVertexInputFormat, as used in the PageRank 
example,  to generate any size graphs that can then be used in the simple 
shortest path example program and thus avoiding the need to obtain actual 

Best regards,
Steve Fleischman

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