On 10/01/2013 15:00, Pablo Sanchez wrote:
My main host has 16 virtual cores showing (dual 4-core Xeons, with Hyperthreading). Because I'm running hosts at a certain scale, and there are always 'idle' hosts out there, I've oversubscribed the number of virtual cores across virtual guests by a factor of about 2.[ Comments below, in-line ]On 01/10/2013 09:29 AM, Michael Da Cova wrote:Hi up-to now I have been running VB on dual core ubuntu hosts and for some reason I have it in my head that clients run better if all clients cpu match the host in this case two. what do people think is this right. I now have a i3 server and it gives me 4 cpu's should I maintain my policy of always matching the numbers of cpu'sHi Michael, I always ensure my Host O/S has sufficient resources to do it job: CPU, disk and memory. With the above in mind, my VM's always get a subset of the Host resources. :) Cheers,
I have not experienced any issues with regard to this over-subscription.I'm not oversubscribing memory at all, however, and have about 32GB still available on the host.
-- Regards, Giles Coochey, CCNA, CCNAS NetSecSpec Ltd +44 (0) 7983 877438 http://www.coochey.net http://www.netsecspec.co.uk [email protected]
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