I thought so too, but then I saw for example this [1]. They use Titan (multi-machine setup) to scale out to 64 billion vertices. Very impressive. [1] http://th

I thought so too, but then I saw for example this [1]. They use Titan (multi-machine setup) to scale out to 64 billion vertices. Very impressive. [1] http://thinkaurelius.com/2013/05/13/educating-the-planet-with-pearson/ http://thinkaurelius.com/2013/05/13/educating-the-planet-wit...