you might want to try this query on the dev mailing list, they could have more insight into the artificial limit of 4. My guess is thats a poorly worded recommendation.
On Fri, Mar 20, 2015 at 8:30 AM, Mārtiņš Jakubovičs <mart...@vertigs.lv> wrote: > Hello, > > In my demo server with XenServer 6.2 I got quad core CPU with > hyperthreading (8 vCPU total). In cluster I am able to use > cpu.overprovisioning.factor 5.0 and more. Why so, if in documentation > described maximum over-provisioning can't be bigger than 4? > http://docs.cloudstack.apache.org/projects/cloudstack- > administration/en/4.3/hosts.html#limitations-on-over- > provisioning-in-xenserver-and-kvm > > Also, looks like is possible to trick CPU over-provisioning by entering > less CPU speed in Compute Offering than are really in server. > > Maybe someone can share they experience about CPU over-provisioning with > XenServer? > > Thanks. >
