On Wednesday, November 02, 2011 10:33 PM, John Hodrien wrote: > On Wed, 2 Nov 2011, Christopher Chan wrote: > >> 4.0.x was okay for me (Windows server guests) but 4.1.4 was a complete >> disaster. The guest literally moved at SNAIL pace. Removed all cores >> save one and then it moved at TURTLE pace. 4.1.x is do not touch even >> with a ten foot pole. At least with Windows guests. > > This doesn't appear to be universally true. We've run 4.1.4 with Windows 7 > 64bit on top of CentOS 6 and not seen any noticeable performance problems. > The way you describe it makes me think it's not the sort of thing we could not > notice if it was happening. This was Windows 7 Enterprise as opposed to a > server OS guest. > How many cores assigned? VT-X/AMD-V enabled? Hardware?