believe me, if you have paravirtualized enviroment you don't have equal performance than on bare-metal. Paravirtualization adds another layer, so does overhead. Maybe performance in CSS, but I doubt about it.
I'm using full VT on 4x quad core xeons with 16gb ram and providing 1000fps 1.6 servers (yes, stable 1000fps, kernel self-pached with RT and some HZ tweaks), CSS servers with 100 ticrate and and some tf2 servers without any problems. Kveri On 25.8.2009, at 20:52, Valtteri Kiviniemi wrote: > Hi, > > We are running multiple TF2 servers with Xen 3.4.1 paravirtualized. > Performance is exactly the same as bare-metal, maybe even better. Only > downside is that you need xen-patched kernel so to get most stable and > working environment you have to use the default 2.6.18.8-xen kernel. > Ofc. you can compile a 1000hz domU kernel like we have. > > There is also pv_ops kernels which are included in the xen-unstable > tree. They are the normal kernel.org kernel with patches that make it > suitable for Xen hypervisor. > > In my opinion Xen is the best solution for gameserver virtualization > because it is the fastest. ESXi virtuals are not paravirtualized so > they > have slower disk i/o and network performance. They also use more > resources. > > If you want same performance as bare-metal you need paravirtualized > guest operating systems and Xen is the best solution for that. > > We have a physical 2 x 2.5GHz Quad-core Xeon machine with 16 GB ram > and > a ARECA ARC-1220 raid controller with RAID10 array. > > We are also running many other virtuals on the same machine without > them > affecting the gameserver virtual performance. > > With Xen you can for example assign 4 physical cores to the gameserver > virtual and use the other 4 for other virtuals. > > - Valtteri Kiviniemi > > Daniel Worley kirjoitti: >> I don't have exact numbers, but I've run srcds both natively and >> under ESXi >> on a PowerEdge server. Under both I was able to run multiple >> instances, no >> issues. I saw no difference in performance playing on the servers, >> but once >> again I don't have numbers to back it up. >> >> On Tue, Aug 25, 2009 at 11:07 AM, Claudio Beretta <[email protected] >>> wrote: >> >>> HiI'd like to know your experiences with running srcds in a >>> virtualized >>> environment. Searching mail-archive for past discussions about >>> this subject >>> didn't provide a reliable conclusion to this topic. >>> From what i understand, only hypervisors such as ESXi, XEN (and >>> maybe >>> Hyper-V) are suitable to be used for game servers because they >>> should be >>> the >>> ones that introduce the lower overhead and response delay. >>> Having a minor performance loss is fine, as long as no noticeable >>> jitter is >>> introduced or ping is increased.Has anyone had a chance to test >>> these >>> products and compare srcds performance on the same machine when >>> virtualized >>> and when running on the bare metal? >>> Provided that the machine can handle it, do you know if it is >>> possible to >>> virtualize tickrate100, 1000fps CSS servers? Not that i want to do >>> that, >>> but >>> if it can be done.. anything can be done :-) >>> >>> best regards, >>> Claudio >>> _______________________________________________ >>> To unsubscribe, edit your list preferences, or view the list >>> archives, >>> please visit: >>> http://list.valvesoftware.com/mailman/listinfo/hlds_linux >>> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list >> archives, please visit: >> http://list.valvesoftware.com/mailman/listinfo/hlds_linux > > _______________________________________________ > To unsubscribe, edit your list preferences, or view the list > archives, please visit: > http://list.valvesoftware.com/mailman/listinfo/hlds_linux > > -- > This message has been scanned for viruses and > dangerous content by MailScanner, and is > believed to be clean. > -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: http://list.valvesoftware.com/mailman/listinfo/hlds_linux
