Lan Barnes wrote:
On Wed, April 30, 2008 5:20 pm, Andrew Lentvorski wrote:
The differential between work and non-work is often not that high.
Consequently, making the system work harder moves the waste/useful ratio
in the correct direction.
-a
This is nonsense to me in my just-running-multiple-services scenario. Why
is flogging the box more a good thing if it's already running all the same
services that it would under vm?
Ah, you're assuming that all the services are on one box. In that case,
you're right. No power savings and the VM stuff will burn slightly more
power.
However, a lot of the time, this kind of server consolidation is
multi-box. If I have one box running DeadRat 3 kernel 2.4.2e.1897 for
application Foo and I have a separate box running DeadRat 4 kernel
2.4.20f.256 for application Bar and one last box running all of my
normal stuff, then I'm wasting a lot of power over a single machine
running normal stuff with 2 VM instances to handle the specific
applications Foo and Bar.
-a
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