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Re: [Xen-users] how many vcpu's can be allocated by Core in a Xen Host ?
| To: | Rogelio Bazan <rogbazan@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] how many vcpu's can be allocated by Core in a Xen Host ? |
| From: | Freddie Cash <fjwcash@xxxxxxxxx> |
| Date: | Tue, 8 Mar 2011 10:37:59 -0800 |
| Cc: | Xen-users@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | Tue, 08 Mar 2011 10:41:52 -0800 |
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On Tue, Mar 8, 2011 at 9:41 AM, Rogelio Bazan <rogbazan@xxxxxxxxx> wrote: > if my Xen host has 16 cpus (Cores), how many vcpu's can be assigned to my > xen guests? As many as you want. :) It all depends on the CPU workload of your VMs. If you have a workload that uses very little CPU, you can create a couple hundred VMs each with 1 vcpu. If you have a workload that uses a lot of CPU, you may be limited to 16 VMs each with 1 vcpu. If you have a workload that's in the middle, then you can create a bunch of VMs as needed. Basically, monitor your CPU usage, and keep creating VMs as you have resources to support them. :) For example, we have an older Xen 3.x box with 2 physical CPUs running 4 VMs with a total of 5 vcpus. And another 2 CPU box wunning 7 VMs with a total of 8 vcpus. And we have a couple of KVM boxes with 4 CPUs running 8-10 VMs each with 1 vcpu. It all depends on your workload. -- Freddie Cash fjwcash@xxxxxxxxx _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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