Here’s a thought experiment. Suppose each server uses X watts idle and X+Y watts busy. If you have N programs that currently run on N servers that are Z% idle then in the best case you really only need D=
Virtualization versus Physicalization
Data on the overhead of virtualization is hard to come by. Rackable proposes an interesting alternative that they call physicalization. I wonder whether the CPU is the most important resource to multiplex and I remain totally puzzled by the motivation
future of the data center
This article from Ars Technica discusses a talk over the summer by Merrill Lynch’s chief technology architect, Jeffrey Birnbaum on “stateless cloud computing” – most concretely on distributed file systems. Birnbaum believes that one of the key foundational elements of