[74982] in North American Network Operators' Group
Re: Energy consumption vs % utilization?
daemon@ATHENA.MIT.EDU (Jack Bates)
Tue Oct 26 15:32:44 2004
Date: Tue, 26 Oct 2004 13:27:55 -0500
From: Jack Bates <jbates@brightok.net>
To: nanog@merit.edu
In-Reply-To: <1098814990.2713.39.camel@thanos.we-dare.net>
Errors-To: owner-nanog-outgoing@merit.edu
Erik Haagsman wrote:
>
> Which means you have to make sure the revenue generated by those 98%
> underutilized servers covers your powerbill and other expenses,
> preferrably leaving some headroom for a healthy profit margin. As
> long as that's the case there's no real waste of energy, the services
> people run on their servers are supposed to be worth the energy and
> other costs, whether they physically fully utilize their power or
> not.
>
Yet there are a lot of clusters which are designed for peak load, which
will waste energy during non-peak hours. Developing an in-house system
for shutting down power to excess servers in a cluster might increase
the healthy profit margin.
-Jack
