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From Claudio Martella <>
Subject Re: Dynamic Graphs
Date Wed, 14 Aug 2013 14:25:11 GMT
Hi Marco,

Giraph currently does not support that. One way of doing this would be by
having a specific (pseudo-)vertex to act as the "injector" of the new
vertices and edges For example, it would read a file from HDFS and call the
mutable API during the computation, superstep after superstep.

On Wed, Aug 14, 2013 at 3:02 PM, Marco Aurelio Barbosa Fagnani Lotz <> wrote:

>  Hello all,
> I would like to know if there is any form to use dynamic graphs with
> Giraph. By dynamic one can read graphs that may change while Giraph is
> computing/deliberating. The changes are in the input file and are not
> caused by the graph computation itself.
> Is there any way to analyse it using Giraph? If not, anyone has any
> idea/suggestion if it is possible to modify the framework in order to
> process it?
> Best Regards,
> Marco Lotz

   Claudio Martella

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