[Openstack] Suggestion for lab environment

Adam Lawson alawson at aqorn.com
Sat Oct 18 17:08:54 UTC 2014

Anytime you put install a portable dev environment running embedded guests
on top of what amounts to commercial bloatware such as Windows, you'll have
performance issues. Could also be as simple as how you built your
VirtualBox (static disk = fast, dynamic disk = slow, less memory = more
paging to disk = disk type matters). Technically speaking though assuming
your budget is $0, VMware hypervisors are actually free (
http://www.vmware.com/products/vsphere-hypervisor) and useful when
comparing performance.

You need a dedicated machine for it but exploring options couldn't hurt.


*Adam Lawson*

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On Sat, Oct 18, 2014 at 6:25 AM, Md. Maruful Hassan <mrf.mnm at gmail.com>

> Hi
> Apologies if this has been answered previously.
> I have a working Openstack setup on my VM lab environment running under
> Virtualbox. The instances launched run very very slowly (specially CentOS,
> RHEL, Fedora images). I choose KVM as the hypervisor for Openstack compute
> node so
> that means running KVM under virtualbox. However, I needed to put
> libvirt_type=qemu (instead of KVM) in nova.conf as virtualbox doesn't pass
> VT-X to guest OSs. Is the slowness caused by this? Should I choose
> something else like Vmware instead of Virtualbox? Any suggestion?
> Btw, virtualbox vdi files reside on SSD if this helps.
> thanks
> --
> Maruf
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