What I'm trying to say, as soon as you could fit data and processing unit(s) into one well cooled room in datacenter, managed by two guys per shift, it is not "

What I'm trying to say, as soon as you could fit data and processing unit(s) into one well cooled room in datacenter, managed by two guys per shift, it is not "Big" problem anymore. Making it all local will probably speed-up their queries/analytics enormously as well