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From Avery Ching <>
Subject Re: New vertex allocation and messages
Date Mon, 19 Aug 2013 17:18:40 GMT
Yes, you can control this behavior with the VertexResolver.  It handles 
all mutations to the graph and resolves them in a user defined way.


On 8/19/13 9:21 AM, Marco Aurelio Barbosa Fagnani Lotz wrote:
> Hello all :)
> I am programming an application that has to create and destroy a few 
> vertices. I was wondering if there is any protection in Giraph to 
> prevent a vertex to send a message to another vertex that does not 
> exist (i.e. provide a vertex id that is not associated with a vertex yet).
> Is there a way to test if the destination vertex exists before sending 
> the message to it?
> Also, when a vertex is created, is there any source of load balancing 
> or it is always kept in the worker that created it?
> Best Regards,
> Marco Lotz

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