Re: [Xen-devel] A Performance Comparison of Hypervisors

["Henning Sprang" <henning_sprang@xxxxxx>]

On 2/3/07, Nicholas Lee <emptysands@xxxxxxxxx> wrote:
> Obviously not a very fair comparison [1]. I can't see how this was done well
> at all.
>
> VMWare are a bit silly to release stuff like this, just lowers the whole
> game.
Is it still true that they on their side forbid publishing performance
benchmarks in their EULA? I heard something like that a while ago.

I think, here in Germany they would have not many chances to get this
through - a lot of the EULA stuff is not likely to go through a
juristic check...

> [1] http://www.vmware.com/vmtn/resources/711
But why must their benchmark stop at 4 vcpus? Don't they wanna test
real high performance systems? How about showing a benchmark of xen
with 32 cpus against a vmware server,( which can only use 4 of these
32), and benchmarks that need more than 8GB of RAM  :)

On the other hand, it's also true that Xen itself does not work 100%
so very good as all the advertising can make one expect - when looking
closer it's not exactly a lie what some XenSource marketing claims
say, but some details are just not told... And some things a user
expects are really hard to do...

Still I am a free software fan, and this adds enough bonus for the time being...

Henning

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