On 01/16/12 08:19 AM, Jeroen Demeyer wrote:
On 2012-01-16 00:28, Dr David Kirkby wrote:
I don't know what a server with
48 GB RAM and 8 cores would use, but lets say 500 W.
I think that's an over-estimation by at least a factor 2. Also keep in
mind the efficiency of the power supply, which can vary wildly and cause
large differences in power use.
I very much doubt power consumption would be less than 250 W.
More modern machines tend to be more power efficient than older ones - I know
some of them can shut down cores if the machine is lightly loaded. This IBM
x3650 is about 4 years old.
The most sensible thing would be to integrate the power over a period of time
(say a week) and so work out the energy used over a period of a week. Since we
actually pay for energy usage.
Either way, its going to cost more for me to run a single server for a month
than William spends on his whole house for a month. That is for certain.
Dave
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