Getting our applications out of the cloud provided the main celebration for our exit, but seeing the actual spend tumble is the prize. See, the only way to get pricing in the cloud down from obscene to merely offensive is through reserved instances. This is where you sign up for a year or more in advance on a certain level of spend. Th...
This is part of a series of posts he has done about find out his cloud bill was stupid high because they do computationally heavy software and switching over to collocation. But the whole going from 100% cloud to colo and saving that much money is not to be scoffed at.
He does say this is an outlier and others won’t get as much roi as they have.