On Thu, Jun 12, 2008 at 9:26 AM, Alistair <a...@gmail.com> wrote:
I'd love to know whether Windows (running on QEMU inside EC2) is
better or worse than Windows in a private virtualized environment, and
if so, how much. IMHO apples-to-apples comparisons (as Franz and
Khazret point out -- thanks for the links, guys) are a tremendously
difficult thing to achieve here.
I've played a bit with qemu image of Windows on EC2, here is small post in my blog
In old-world performance testing, you had an equation and changed one
variable (load, for example, or RAM) and watched the others to see
what happened. But when the variables are elastic, they're precisely
designed to accommodate such changes.
One way to talk about performance would be to compare the billing for
various tasks (in machine-hours on similarly configured platforms in
the same cloud) but that doesn't facilitate cloud-to-cloud comparison.
Anyone building the equivalent of Winstone for the cloud? Call it
cloudbench? Sounds like an awesome open source project to get started.
quote:
... we have released VMmark 1.1 to our partners and intend a general release in the near future. We have been extremely pleased with the virtualization community's response to VMmark. It clearly addresses an important need: reliably measuring the performance of virtualization platforms in a representative and fair way.
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