On Mon, 28 May 2007 17:53:50 +0100 Karanbir Singh mail-lists@karan.org wrote:
Do you have any details or stats on this claim that Xen's full-virt isnt as fast as VMware's ? Based on what I've seen Xen's full-virt is actually a fair bit faster than vmware. Besides para-virt on Xen is many many times more efficient than vmware's machine emulation.
I recently did some tests, 'completely unscientific', just real world experience. 2 similar servers, Intel Core 2 Duo 2.1Ghz 4MB cache, 4Gb RAM, 2 Sata2 320GB, and I emphasize similar not identical. It was mostly for a database server, for Firefird and IBM DB2.
VMware server was somewhat faster in the disk access, and Xen was somewhat faster as a 'RAM server'. Overall, they were both similar in speed, we chose VMware because drive access was faster.