One thing to possibly consider with PostgreSQL performance especially, is that when using KVM VMs for some applications, PostgreSQL could be run native. This is a viable approach with KVM that could never work with Xen. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20101015/124b52d2/attachment-0003.html>