[THIN] Re: VMWare
- From: Jeff Pitsch <jepitsch@xxxxxxxxx>
- To: thin@xxxxxxxxxxxxx
- Date: Fri, 28 Oct 2005 12:52:45 -0400
If it wasn't for the linux kernel then none of it would be possible.
On 10/28/05, Chris Fraser <chrisfraser@xxxxxxxxxx> wrote:
>
> ESX will always have better performance because the VMkernel (not linux
> kernel) has full control to manage all hardware resources and doesn't
> have to pass request through an OS layer (like GSX).
>
> Single proc is definitely the way to go on almost all VMs. I'm still
> puzzled at the reasoning behind announcing 4-way SMP, esp since it will
> benefit maybe %1 of VMs.
>
> Best Practices Using VMware Virtual SMP
> http://www.vmware.com/pdf/vsmp_best_practices.pdf
>
> ESX Server Architecture and Performance Implications
> http://www.vmware.com/pdf/esx2_performance_implications.pdf
>
> ESX Performance Tips and Tricks
> http://www.vmware.com/pdf/esx_performance_tips_tricks.pdf
>
> Reference & Planning for Virtualizing Citrix
> http://www.vmware.com/pdf/esx_citrix.pdf
>
> Reference and Capacity Planning with Citrix Presentation Server (for ESX
> Server 2)
> http://www.vmware.com/pdf/esx2_citrix_planning.pdf
>
>
>
> Jeff Pitsch wrote:
> > ESX will always have better performance than GSX because ESX is tied
> > more closesly to the linux kernel. GSX is strictly a service and
> > doesn't tie deeply into the OS at all.
> >
> > Jeff
> >
> >
> > On 10/28/05, *Jon D* <rekcahpmip@xxxxxxxxx
> > <mailto:rekcahpmip@xxxxxxxxx>> wrote:
> >
> > I run citrix in VMware GSX, and I have an identical physical citrix
> > box. Both production.
> >
> > I wish I would have put it in ESX with SMP because the citrix box
> > can only use 1 processor which isnt good(even with GSX dual
> > processor license).
> >
> > I would say VMWare burns 20-30% of the resources(the physical can
> > probably handle 20-30% more connections).
> >
> > The performance problems I see is the physical disk, and mainly the
> > processor. 1 3Ghz processor is only good for maybe 23-25 processes.
> >
> > Overall I do like it though. If my manager messes up the virtual
> > citrix server I just revert it to the last snapshot and its fixed.
> > If he messes up the physical one, I've got a a solid week of redoing
> > it ahead of me.
> >
> >
> >
> > -Jon-
> >
> >
> >
> >
> > .
> >
> >
>
> --
>
> Check out my eBay auctions
> (http://search.ebay.com/_W0QQsassZchrisfraser1111QQhtZ-1)
> and my GEMM store (http://cfraser1111.gemm.com)
>
>
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