HardwareCommon Virtualization myths spread by the gullible press
Don't mention "performance" in a conversation about virtualization. It is not trendy, it is archaic, it is part of the folkore. At least if you believe the gullible press and Analysts. Some of them seem to be all in a hurry to repeat the claims of the vendors. We give you a small Anthology of these "inspired" articles and discuss why they...
Don't mention "performance" in a conversation about virtualization. It is not trendy, it is archaic, it is part of the folkore. At least if you believe the gullible press and Analysts. Some of them seem to be all in a hurry to repeat the claims of the vendors. We give you a small Anthology of these "inspired" articles and discuss why they are naive. HyperLove by ZDNet "We loved the near-native performance of Windows guests in Hyper-V", Jason Perlow ZDNet, Juli 1st 2008. Benchmark numbers to back this up? Not necessary. Juicy detail: the same article claims: "Back in February, we had a look at a late beta release, and we were quite impressed with the performance of the system". Performance wise, Hyper-V was at that time pretty bad. When we tested back in April 2008 with RC-0, performance was in many cases not half of ESX 3.5 performance. But we could not publish this as this was RC-0 after all, and Microsoft admitted it had to improve this in the final version. Don't take our word for it, here is PCWorld: "The most notable -- and the most significant -- change between the initial release candidate version (RC0) of Hyper-V and the RTM edition is better performance. Most of the performance work was done between RC0 and RC1, but not many people knew about it due to (a) not-so-wide a release and (b) a ban on performance testing by MS." So although MS banned all performance testing on RC-0 and made... [ Read more on www.anandtech.com ]
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