Redundant web servers.

Bryan Sant bryan.sant at
Mon Sep 17 10:17:43 MDT 2007

On 9/14/07, Jonathan Ellis <jonathan at> wrote:
> On 9/14/07, Bryan Sant <bryan.sant at> wrote:
> > I haven't worked with Xen/OpenVZ/KVM much (yet), but VMware is
> > implemented with a copy-on-write memory system where two or more
> > virtual machines who have mostly the same memory pages, will have that
> > common memory mapped to the same physical RAM.
> Is this true for the free "VMWare Server" product as well, or just the
> expensive enterprise versions?
> -Jonathan

I don't know.  My guess is that it only works this way with the
pay-for ESX server product.  However, the free "VMware Server" product
used to be the pay-for GSX server, so I wouldn't be surprised if the
free version does it too.  YMMV.


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