[THIN] Re: VMWare
- From: "Joe Shonk" <joe.shonk@xxxxxxxxx>
- To: <thin@xxxxxxxxxxxxx>
- Date: Fri, 28 Oct 2005 09:42:01 -0700
Well, if you think about it... For 4x and 8x boxes with Dual-Cores and
Hyperthreading that's 16 and 32 logical processors. :o)
Joe
-----Original Message-----
From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On Behalf
Of Chris Fraser
Sent: Friday, October 28, 2005 9:19 AM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Re: VMWare
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-
>
>
>
>
> .
>
>
--
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