Re: [Xen-users] Please help estimate number of the domUs

[Andrey <basketboy@xxxxx>]

Sure, will try. I see in XenServer 6.1 FAQ that maximum supported number 
of guests is 150 and it requires increasing dom0_mem to max 4096. It's 
obvious that internal limits are not quite realistic so it will be good 
result for me if we able to run at least 100 guests. It seems that it is 
more realistic number although some resources note maximum number of VMs 
as 4-10 per CPU core (so 32-80 in my case). But in all these cases 192 
GB RAM would be redundant I think.
With regards, Andrey

11.01.2013 16:43, Wei Liu ÐÐÑÐÑ:
> On Fri, 2013-01-11 at 12:24 +0000, Andrey wrote:
> > Thank you for the answer
> >
> > I'm really consider the case with creating as many DomUs as possible
> > with typical load and get practical info.
> >
> > What about network capacity? Does this math implies to the network
> > resources? Should we shape the DomUs bandwidth to prevent network
> > overload? Can CPU be bottleneck in this configuration?
> The math I did was to show you some internal infrastructure limits that
> I know.
>
> CPU / network overloading is another topic. TBH I haven't done stress
> tests on CPUs and network.
>
> And whether you will hit any bottlenecks in CPU / network or not relates
> closely to your use case. Boot up DomUs and do some typical workload is
> a good idea.
>
>
> Wei.
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