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Monday, September 14, 2009 6:35 PM

Note the new title....

Thanks to many of you for finding value in this blog. I hope you have enjoyed the content and you'll see more Hyper-V in the near future. For example I have a blog coming titled "Hyper-V Performance FAQ R2" coming soon. I've changed the name of the blog
Posted by tvoellm | 0 Comments
Wednesday, August 05, 2009 10:28 PM

What’s new in Windows Server 2008 R2 Hyper-V Performance and Scale?

When the first version of Hyper-V launched last year we worked really hard to make it a great performing product.  From what I’ve heard from all of you we did just that – delivered a great performing product.  Now in less than a year we have
Posted by tvoellm | 0 Comments
Thursday, May 07, 2009 5:21 AM

Useful IO profiles for simulating various workloads

A buddy of mine [Liang Yang] recently shared the following table with me and I thought you might also find it useful with trying to simulate various workloads. In particular when testing and evaluating Hyper-V. A tool like IOMeter [from www.iometer.org
Posted by tvoellm | 1 Comments
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Thursday, April 23, 2009 12:43 AM

Monitoring Hyper-V Performance

Now that Hyper-V has been in the market for over 9 months a common question that has come my way is “what should I monitor?” This question has been asked for a couple of reasons such as; How do I know if my machine is overloaded? How can I figure out
Posted by tvoellm | 4 Comments
Monday, April 06, 2009 8:46 PM

Why does my desktop box slowdown when I install Hyper-V?

Hyper-V’s primary target is servers.  We love it when you run it on your desktop however you might encounter some challenges.  One such challenge is that once Hyper-V is installed on your desktop box you might find the overall system performance
Posted by tvoellm | 4 Comments
Wednesday, February 18, 2009 7:53 PM

Why does my Avg Disk Write / Sec counter keep climbing?

There have been a number of issues with time in W2k3 guests, the first of which was covered in http://blogs.msdn.com/tvoellm/archive/2008/06/05/negative-ping-times-in-windows-vm-s-whats-up.aspx .  The first issue involved negative ping times. A recent
Posted by tvoellm | 1 Comments
Tuesday, October 07, 2008 1:30 AM

SQL Server 2008 on Windows Server 2008 Hyper-V Performance Guidance

Wow this is great day. The SQL team has worked really hard in creating a performance guidance document with solid suggestions and performance numbers when running on WS08 Hyper-V. They looked at OLAP and OLTP workloads. Even if you are not running SQL
Posted by tvoellm | 2 Comments
Monday, September 29, 2008 4:36 AM

Hyper-V Performance Counters - Part five of many - "Hyper-VM VM Vid Numa Node"

There are a couple of performance counter sets in Hyper-V that show memory usage. These counters tend to show memory used by one component of the system and the "Hyper-V VM Vid Numa Node" counter set is no different. This counter set is intended to show
Posted by tvoellm | 7 Comments
Sunday, September 28, 2008 10:22 PM

Looking for that last ounce of performance? Then try affinitizing your VM to a NUMA node

There are not many performance knobs in Hyper-V which is by design. We really seek out of the box performance. However if you are looking for that last bit of performance from your Virtual Machines (VM’s) and have already made a good selection for networking
Posted by tvoellm | 2 Comments
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Wednesday, September 24, 2008 1:59 PM

Hyper-V Storage Analysis

Hyper-V Perfies, In a previous blog entry I explained the different types of storage choices you have with Hyper-V. However we had nore released yet so no numbers could be published. You can find the original post below... http://blogs.msdn.com/tvoellm/archive/2007/10/13/what-windows-server-virtualization-aka-viridian-storage-is-best-for-you.aspx
Posted by tvoellm | 1 Comments
Wednesday, September 24, 2008 1:29 PM

WS08 Hyper-V now supports 24LP

Hyper-V Perfies, Now available to the general public is Windows Server 2008 (WS08) Hyper-V 24 Logical Processor (LP) Support. This revises our RTM support limit of 16 Logical Processors. We also increased the number of supported running virtual machines
Posted by tvoellm | 1 Comments
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Tuesday, July 22, 2008 8:18 PM

BizTalk team releases best practice doc for running on WS08 Hyper-V

Below is a great link on how to get BizTalk 2006 working on top of Hyper-V. It includes practical advice that applies to other servers and roles as well. Check it out... http://msdn.microsoft.com/en-us/library/cc768518.aspx Tony
Posted by tvoellm | 1 Comments
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Monday, July 14, 2008 5:44 PM

How to get Processor Utilization for Hyper-V via WMI

There are a number of groups building management software (OEMs, Microsoft, …) for Hyper-V which is cool to see. A common ask from these teams has been around reading and computing VM CPU usage. The following is an example of how to compute Hyper-V guest
Posted by tvoellm | 3 Comments
Saturday, June 28, 2008 4:57 PM

WS08 Hyper-V as RTMed!!!!

Wow its been a great ride helping get Hyper-V to perform the way it does. So much so I've not posted in a while. You will see some upcoming posts on performance counters, WMI perf interfaces, and real data (yes now with RTM I can post data). In the meantime
Posted by tvoellm | 1 Comments
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Wednesday, June 18, 2008 7:58 PM

Windows Server Performance 2008 Tuning guide now includes Hyper-V

The Windows Server Performance team has updated teh Window Server 2008 Tuning guide to include Hyper-V. The Hyper-V section provide a lot of recommendations you will find useful. Check it out below... http://blogs.technet.com/winserverperformance/archive/2008/06/17/power-and-hyper-v-are-now-part-of-the-windows-server-2008-tuning-guide.asp
Posted by tvoellm | 0 Comments
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