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  • Blog Post: Create a Response Time Graph

    Spending my last 4 years helping Microsoft’s enterprise customers improve their line of business application performance, I have interacted with many project managers, business analysts as well as executive officers. Given the non-technical nature of their roles, the first thing that comes into their...
  • Blog Post: Performance Development life cycle for IT – Part 1

    Microsoft ACE team has been involved in performance testing and tuning of web applications within Microsoft for more than ten years and for external customers for more than three years. Over these years of experience in performance testing and tuning, we've noticed that there was a lack of a proactive...
  • Blog Post: neXpert v1.0 Released!

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  • Blog Post: Performance Monk and the Deadly Duo

    Alik here. Following great feedback on our last post we decided to continue sharing ACE Team members’ insights with the online community. This time Bani shares how he is finding his new temple by changing his religion (from UNIX to Windows). He also shares fantastic tips and resources on how effectively...
  • Blog Post: The Secrets Of High Performance Consulting From ACE Performance Engineer

    Alik here. Being member of a global team I was wondering recently about few questions: How distributed team can improve its own performance and communications? How the team can share technical and professional values when each member is thousand miles away? How our team - ACE team - can offer more value...
  • Blog Post: Disk Partition Alignment (Sector Alignment): Part I: Slide Deck

    Disk partition alignment is a best practice . Now that SQL Server wait stats are formally documented & DMVs are available, disk partition alignment may be the best-kept secret related to SQL Server performance optimization. In combination with stripe unit size & file allocation unit size...
  • Blog Post: How to simulate IE Caching in VSTS 2008

    Sometimes it’s beneficial to run load test simulating IE cache. For example, if application is used frequently by repeated users, or if project team wants to set up production monitoring system that measures user experience with cache. There are two places in VSTS where cache should be enabled to...
  • Blog Post: Improving Smart Client Performance using IIS 6 Native Compression

    In .NET 2.0 the property .EnableDecompression was added which will allow you to use IIS 6 Native Compression in your smart client application. The following article explains how to implement compression in your application and how to configure IIS 6 to support compression of asmx web services. Step 1...
  • Blog Post: ASP.NET Performance: High CPU Utilization Case Studies And Solutions

    This post shares case studies of high CPU utilization of ASP.NET web sites. High CPU utilization was caused by lack of batch compilation, multiple folders, and use of XmlSerializer. In all cases the result was high CPU and poor performance; the symptom was .NET CLR Loading\Current Assemblies counter...
  • Blog Post: IIS7 Admin Pack Offers Built In Performance Analysis Reports

    Are you web developer building high traffic web site? Are you performance engineer that lives and breaths performance reports? Are you production System Engineer supporting heavy traffic web site? In either case you need an ad-hoc simple-to-use tool to analyze your web site behavior under load during...
  • Blog Post: Improve .Net Applications Performance Effectively And Efficiently

    How to anticipate or better off avoid performance related "surprises" during load and stress testing? Apply performance engineering practices throughout SDLC ( S oftware D evelopment L ife C ycle). Here are major talking points, tools, resources, and further reading. Performance Engineering...
  • Blog Post: Do You Really Need A Distributed Architecture?

    Alik here. Does the question sound rhetoric to you? Do you think the answer is “Yes” by default these days? Think twice. Ask yourself the questions below. You may change your mind at the end. Performance Is performance important to you and your customers? Consider the following performance...
  • Blog Post: Operation has timed out from class library in COM+

    In a recent MS internal performance gig we encountered an interesting issue with the maxconnection setting in the Machine.Config. Essentially the application we were testing consisted of a web application using classic ASP, COM+ business objects and a .NET wrapper proxy that consumed web services on...
  • Blog Post: ACE's interview with Scoble on Channel 9 - part II & III now up

    Hey Folks, part II and III of the Channel 9 interviews are up! You can check out part II here and part III here . Ahmad Mahdi Security Technologist Microsoft – ACE Team ahmad.mahdi
  • Blog Post: ACE Team's interview with Scoble on Channel 9 - pt 1

    Well its been a while, but ACE's first video has hit Channel 9 today. If you'd like to see some of the faces on the team, some interesting discussion of who we are and what we do; please do check it out. You can view it here . This is nearly the last or probably the last interview that Robert Scoble...
  • Blog Post: Considering the performance impact of your test data source

    Most automated tests require some form of data to be used within the tests. These are your test data sources and the approach you take for utilizing this data will have an impact on your tests. The question is how much of an impact. Determining the best approach for storing and accessing data to be...
  • Blog Post: Fast and Secured: Performance Impact of SSL

    Our customers always ask what the impact of SSL on performance is. Everyone knows SSL uses more resources. The question is how much the impact is. The following section shows the difference with and without SSL. Sample Application - The sample application used for these tests is the C# version of...
  • Blog Post: Fast and Secured: Perspective on Performance and Security in IT

    Performance and security are like brothers in IT. They are similar and yet they fight each other at times. Both performance and security are important inherent qualities in IT systems. Who would not want a fast and secured IT system? You want your home computer to be fast and secured. The bank CEO...
  • Blog Post: Planning for Application Performance Review/Testing

    Planning is a critical step in Application Performance Review/Testing. ACE Team defines Application Performance Review/Testing as a methodology that comprised of 4 major types of testing to improve client (user) response time, and server performance. These include both single user and simulated multiple...
  • Blog Post: Verifying the Results of your Automated Performance Test

    When running an automated performance test against a web application it is important to verify that your results are true and accurate. Many times Automated Performance tests that are poorly written and/or incomplete will cause unwarranted errors within the application under test. Record and Playback...
  • Blog Post: What would you like the ACE team to discuss on Channel 9?

    The ACE Team is going to be doing a Channel 9 video with Robert Scoble! (Thanks Robert! :) We’ll get a chance to discuss what we do and how we do it. We’ll also be spending time talking about our threat modeling process and tool (more info as always on our threat modeling blog ). But the real reason...
  • Blog Post: ACE Team Performance Checklist

    The purpose of this checklist is to provide application teams with a list of common performance issues and or resolutions we come across when working on web applications. This checklist has been broken down by tier (Network, Web, SQL): Network Performance Checks: 1) Minimize the network round trips...
  • Blog Post: Intro

    My name is Todd Kutzke. I lead Microsoft’s Application Consulting & Engineering (ACE) Team. The ACE Team is responsible for application performance, security & privacy engineering @ Microsoft. Our mission is to drive application excellence into production by providing application engineering...
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