[Asterisk-Users] yet another Asterisk and VMware question

[Michael Greb]

On Tue, Aug 23, 2005 at 11:38:41PM -0400, Greg Boehnlein wrote:
> On Sat, 13 Aug 2005, Lull, Rick wrote:
> 
> > This is one of the main reasons that AstWind has stagnated. The timing 
> > granularity of the virtual machines is not acceptable for doing anything
> > 
> > IO related.
> > 
> > Just since I am curious, what version of VMWare did you use and what kind of
> > box where you running on?
> 
> 4.5 and 5.0 variants of Vmware Workstation and CoLinux on top of a Windows 
> host environment. Same applies for running Vmware under a Linux host 
> environment as well. Machines where 2.8 Ghz Dell boxes w/ 1.5 gigs of ram.
>  
> > I've just moved my * box to a VM on ESX server and didn't play with
> > voicemail until you mentioned it - now Allison's voice cuts in and out.
> > Sounds like I am going to have to go back to the box I was running on
> > previously. My original box is a P3 500 desktop while my VMWare ESX box is a
> > dual P3 1.4GHz HP Proliant server.
> 
> You would probably get the BEST performance by using User Mode Linux, w/ 
> the latest SKAS patches. I know someone that does this and only 
> occasionally has a dropped frame in audio here and there.

While I agree that User Mode Linux is definitely capable of running an
Asterisk system, I do it myself, it certainly isn't the best
performance.  XEN smashes UML in performance.  For example:

Kernel Build Times
  Raw Hardware                  5m5.993s
  Xen Admin Domain (dom0)       5m19.758s
  Xen User Domain (like UML)    5m49.133s
  UML                           15m24.464s

Michael Greb
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