[10000truths]

The point is that much of that should be unnecessary to sustain the service because hosting costs are significantly (presumably 100x) cheaper.

[hobofan]

They never claimed that hosting costs would be 100x cheaper, and given what they show with amount of machines in the scaling chart, I doubt it is.

It's a JVM application with all state duplicated N times, so at least on the memory side it's likely going to be a resource hog.