Energy consumption vs % utilization?

Jack Bates jbates at
Tue Oct 26 18:27:55 UTC 2004

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.


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