On Mon, May 04, 2009 at 10:40:00PM +0800, howard chen wrote: > Hey, > > I am comparing Xen and KVM to see which one is suitable for me usage. > > > From the FAQ: http://www.linux-kvm.org/page/FAQ#What_is_the_difference_between_kvm_and_Xen.3F > > It said: > > >> kvm does not support paravirtualization for cpu but may support paravirtualization for device drivers to improve I/O performances. > > > Do does it mean using paravirtualization is good? So Xen is faster if > we can are running modified OS which support paravirtualization? > Yes, paravirtualization is good. If running KVM, use paravirtualized network and disk/block drivers for better performance. Xen paravirtual guests (domUs) use paravirtualized drivers out of the box. > > In fact, we have tried Xen, running CentOS 5.0 on latest Intel Quad > core CPU. Performance is not bad, but already have interest in try > other solutions. > You should be running CentOS 5.3, it has a lot of updates after 5.0. -- Pasi -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
