All topics fundamental

This blog is dedicated to all software fundamental topics; numbers, investigations, feature development, test methology, running software fundamentals teams.

Moving on to a new blog...

To all my readers I want to thank you! Over the last couple of years I've gotten lots of great...

Author: Tony Voellm Date: 02/13/2011

An oldie but goodie–SQL Performance Turning

While looking through past performance talks and presentations I came across this talk done at a...

Author: Tony Voellm Date: 01/08/2011

Wow... Hyper-V does it again - RemoteFX and Dynamic Memory

Hard to believe it has been eight months since my last post. I've been deep into Windows Sercurity...

Author: Tony Voellm Date: 01/08/2011

Best Practices for SAP on Hyper-V

Hyper-V’ers, A SAP on Hyper-V paper was just brought to my attention. It has a very good overview of...

Author: Tony Voellm Date: 05/30/2010

Windows Server 2008 R2 Virtual Hard Disk (VHD) Performance Paper

If you have been looking for VHD performance data the paper below should give you a lot of what you...

Author: Tony Voellm Date: 02/26/2010

Hyper-V iSCSI performance numbers

I’ve seen a number of threads and questions recently around iSCSI performance in virtual...

Author: Tony Voellm Date: 01/07/2010

Hyper-V Performance FAQ R2

Anthony F. Voellm (aka Tony) 12/17/2009 http://blogs.msdn.com/tvoellm This FAQ is titled R2 since it...

Author: Tony Voellm Date: 12/18/2009

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...

Author: Tony Voellm Date: 09/14/2009

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...

Author: Tony Voellm Date: 08/05/2009

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...

Author: Tony Voellm Date: 05/07/2009

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...

Author: Tony Voellm Date: 04/22/2009

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...

Author: Tony Voellm Date: 04/06/2009

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...

Author: Tony Voellm Date: 02/18/2009

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...

Author: Tony Voellm Date: 10/06/2008

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...

Author: Tony Voellm Date: 09/28/2008

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...

Author: Tony Voellm Date: 09/28/2008

Hyper-V Storage Analysis

Hyper-V Perfies, In a previous blog entry I explained the different types of storage choices you...

Author: Tony Voellm Date: 09/24/2008

WS08 Hyper-V now supports 24LP

Hyper-V Perfies, Now available to the general public is Windows Server 2008 (WS08) Hyper-V 24...

Author: Tony Voellm Date: 09/24/2008

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...

Author: Tony Voellm Date: 07/22/2008

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...

Author: Tony Voellm Date: 07/14/2008

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...

Author: Tony Voellm Date: 06/28/2008

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...

Author: Tony Voellm Date: 06/18/2008

Why can't I start my VM when there is plenty of free memory?

Issue #1: A number of customers has reported than VM's fail to start when there is plently of...

Author: Tony Voellm Date: 06/11/2008

Hyper-V Performance FAQ

Hyper-V Performance FAQ Anthony F Voellm (aka Tony) 6/19/2008 http://blogs.msdn.com/tvoellm [****...

Author: Tony Voellm Date: 06/05/2008

Negative ping times in Windows VM's - whats up?

Just a quick blog post that might help you resolve an issue that some customers have seen running...

Author: Tony Voellm Date: 06/05/2008

Hyper-V Performance Counters – Part four of many – “Hyper-V Hypervisor Virtual Processor” and “Hyper-V Hypervisor Root Virtual Processor” counter set

The “Hyper-V Hypervisor Virtual Processor” and “Hyper-V Hypervisor Root Virtual Processor” counter...

Author: Tony Voellm Date: 05/12/2008

Hyper-V Performance Counters – Part three of many – “Hyper-V Hypervisor Logical Processors” counter set

This is one of the most important counter set in all of Hyper-V. It is also one of the few counter...

Author: Tony Voellm Date: 05/09/2008

Hyper-V Performance Counters – Part two of many – “Hyper-V Hypervisor” counter set

The “Hyper-V Hypervisor” counter set is a good place to start when looking for overall system...

Author: Tony Voellm Date: 05/09/2008

Hyper-V Performance Counters – Part one of many - The overview

[[ ***IF YOU HAVE SPECIFIC QUESTIONS ON PERFORMANCE COUNTERS YOU WANT ANSWERED PLEASE POST A REPLY...

Author: Tony Voellm Date: 05/04/2008

Hyper-V: How to make sure you are getting the best performance when doing performance comparisons

As we have moved from Beta to RC the number of questions I have been getting around Hyper-V...

Author: Tony Voellm Date: 04/19/2008

Hyper-V: Clocks lie... which performance counters can you trust?

Many people have asked me how to do performance analysis using Hyper-V. The first thing I always...

Author: Tony Voellm Date: 03/20/2008

Hyper-V RC0 is here!

It’s with great pride I get to say Hyper-V RC0 is now on Microsoft Downloads. There are a number of...

Author: Tony Voellm Date: 03/19/2008

Good overview of virtualization

Every now and then I come across articles on virtualization. This one caught my attention because of...

Author: Tony Voellm Date: 03/18/2008

General: How to improve legacy OS performance (helps virtual machine performance also)

Its been a bit of time since my last posting and we in the Hyper-V team have been heads down on RC....

Author: Tony Voellm Date: 02/03/2008

Hyper-V: SCSI vs IDE - Do you really need an IDE and SCSI drive for best performance?

Wow... blogging is fun and can really help people understand a topic. Other times it can be a chore...

Author: Tony Voellm Date: 01/02/2008

Hyper-V: Integration Components and Enlightenments

In order to get the most from your VM’s it is good to understand a couple of concepts that can...

Author: Tony Voellm Date: 01/02/2008

Hyper-V: How to get the most from your virtualized disk performance

There are two types of disk controllers that Hyper-V supports: SCSI and IDE. There are two IDE...

Author: Tony Voellm Date: 12/12/2007

Windows Hyper-V Beta what's that ??? (Updated 12/13/2007)

Windows Hyper-V was previously called "Windows Server Virtualization" and shipped in the Windows...

Author: Tony Voellm Date: 12/06/2007

Which Windows Server Virtualization 08 (code named Viridian) storage is best for you?

If you have had a chance to play around with our prerelease bits you might be wondering what all the...

Author: Tony Voellm Date: 10/12/2007

What you need to know about Windows Server Virtualization O8 (code named Viridian) Snapshot Performance

First let my say how happy I am to have real bits in your hands. The next generation virtualization...

Author: Tony Voellm Date: 09/27/2007

Which is better a sample or instrumentation based profiler?

One of my passions is teaching performance and it is interesting to see students not realize the...

Author: Tony Voellm Date: 08/02/2007

Check out XEvent in SQL 2008 July CTP

SQL Server 2008 July CTP is out! -...

Author: Tony Voellm Date: 08/02/2007

What do performance teams do?

I get the following question quite a bit... What do performance teams do? Let me start by saying...

Author: Tony Voellm Date: 07/12/2007

Welcome...

Since this is my first post here I hope you don’t mind me taking a few lines to introduce myself. My...

Author: Tony Voellm Date: 04/13/2007