SPEC has diligently working on an industry standard version of VMmark since something like 2006. The first version of their product is complete and was released during my recent holiday. I have been talking with colleagues and customers about SPECvirt for years and would like to talk about what SPECvirt is and what it is not.
SPECvirt Released
July 26th, 2010 Posted in Uncategorized
Jul, 26 2010
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Hyper-Threading on vSphere
March 6th, 2010 Posted in Uncategorized
Mar, 06 2010
I continue to receive many questions from our customers on the expected performance gains of the new version of Hyper-Threading in Intel’s Core i7 processors. The answer requires a little bit of discussion on Hyper-Threading, a little bit on ESX, and comes with some performance data. If you are still interested, read on.
Top Five VROOM! Entries for 2009
October 6th, 2009 Posted in Uncategorized
Oct, 06 2009
I love VMware’s performance blog, VROOM! It is our most popular performance communication vehicle and its content is backed by a stellar engineering team with unmatched integrity. Each article details the nuances of VMware performance and educates on application and platform best practices. I love all the articles but am always surprised as to which our readers find most popular. Here is a countdown of the five entries most read in 2009.
Four Things You Should Know About ESX 4's Scheduler
September 29th, 2009 Posted in Uncategorized
Sep, 29 2009
[This is the last re-post of old community content. But this content is important enough to be worth a re-post.]
I spend a great deal of time answering customers’ questions about the scheduler. Never have so many questions been asked about such an abstruse component for which so little user influence is possible. But CPU scheduling is central to system performance, so VMware strives to provide as much information on the subject as possible. In this blog entry, I want to point out a few nuggets of information on the CPU scheduler. These four bullets answer 95% of the questions I get asked.
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