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From alelulli <>
Subject Re: Incrementally add/remove vertices in GraphX
Date Fri, 14 Mar 2014 15:32:45 GMT
Hi Matei,

Could you please clarify why i must call union before creating the graph?

What's the behavior if i call union / subtract after the creation? 
Is the added /removed vertexes been processed?

For example if i'm implementing an iterative algorithm and at the 5th step i
need to add some vertex / edge, can i call union / subtract on the
VertexRDD, EdgeRDD and Triplets?


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