[108428] in North American Network Operators' Group
Re: Google's PUE
daemon@ATHENA.MIT.EDU (Daniel Golding)
Thu Oct 2 15:15:35 2008
From: Daniel Golding <dgolding@t1r.com>
To: Patrick W. Gilmore <patrick@ianai.net>
In-Reply-To: <B8597726-95DB-414D-8B3D-83DA2F901526@ianai.net>
Date: Thu, 2 Oct 2008 15:15:29 -0400
Cc: NANOG list <nanog@nanog.org>
Errors-To: nanog-bounces@nanog.org
I am really skeptical of this, Patrick. PUE's of between 1.2 and 1.3 -
sure. But below 1.2 on an annual basis? And its not even their newest
facility. Color me skeptical.
- Dan
On Oct 1, 2008, at 1:52 PM, Patrick W. Gilmore wrote:
> [#include: boiler-plate apology for operational content]
>
> Google has released its PUE numbers:
>
> <http://www.google.com/corporate/datacenters/measuring.html>
>
> There is a nice explanation of this, including a graph showing why
> DC efficiency is more important than machine efficiency (on the
> second page) at this link:
>
> <http://www.datacenterknowledge.com/archives/2008/10/01/google-the-worlds-most-efficient-data-centers/
> >
>
> I think GOOG deserves a hearty "well done" for getting a whole DC
> under 1.2 PUE for a whole year. (Actually, I think they deserve a
> "HOLY @#$@, NO @*&@#-ing WAY!!!")
>
> Personally, I think only a self-owned DC could get that low. A
> general purpose DC would have too many inefficiencies since someone
> like Equinix must have randomly sized cages, routers and servers,
> custom-built suites, etc. By owning both sides, GOOG gets a boost.
> But it's still frickin' amazing, IMHO.
>
> For their next miracle, I expect GOOG to capture the waste heat from
> all their servers and co-gen more electricity to pump back into the
> servers. :-)
>
> --
> TTFN,
> patrick
>
>
