Visual Studio Team System - Web and Load Testing
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This post describes how the user load is adjusted when a load test scenario uses a goal based load pattern. First of all, if there is a warm-up period specified, the goal based pattern does not apply during the warmup period. Instead, the load test creates Read More...
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There is now a hot fix available at http://hotfix.partners.extranet.microsoft.com/FixDetails.aspx?fixid=359339 for the bug introduced in VSTS 2008 SP1 where think times were being ignored during a load test for Web test requests that resulted in redirect Read More...
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If you want to collect performance counters from a SQL Server instance while running a load test, you can do this easily by selecting checking the SQL counter set in the "Manager Counter Sets" dialog in the VSTS load test editor. Doing this includes the Read More...
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I've posted a new article on diagnosing problems running out of memory while running a VSTS load test: http://blogs.msdn.com/billbar/pages/diagnosing-outofmemoryexceptions-that-occur-when-running-load-tests.aspx . Read More...
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We’ve had a number of users report OutOfMemoryExceptions occurring in the QTAgent process (or the VSTestHost process when running locally). There can be several different causes of the OutOfMemoryExceptions. This article attempts to help diagnose and Read More...
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As mentioned in previous blog posts, the beta version of VSTS 2008 SP1 is now available. In order to implementation the Load Test API enhancements (described here: http://blogs.msdn.com/billbar/pages/load-test-api-enhancements-in-vsts-2008-sp1-beta.aspx Read More...
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In a previous blog post here: http://blogs.msdn.com/billbar/archive/2007/01/22/simulation-of-browser-caching-in-vsts-load-tests-and-web-tests.aspx , I described the behavior of caching with VSTS 2005. With VSTS 2008, t he default caching behavior is the Read More...
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The beta for Visual Studio 2008 SP1 is now available. This article describes enhancements to the VSTS Load Test API for use by a LoadTestPlugin that have been added in this update. For complete details on changes and bugs fixes in this release, see Ed Read More...
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The beta for Visual Studio 2008 SP1 is now available. This article describes enhancements to the VSTS Web test API that have been added in this update. For complete details on changes and bugs fixes in this release, see Ed Glas's blog post at: http://blogs.msdn.com/edglas/archive/2008/05/27/vs-2008-sp1-beta-is-available.aspx Read More...
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I've posted an article on "Moving VSTS 2005 Load Test results from one computer to another": http://blogs.msdn.com/billbar/pages/moving-vsts-2005-load-test-results-from-one-computer-to-another.aspx Read More...
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In VSTS 2008, it is now possible to easily export load test results from one test environment and import them into a load test results database on another machine using the Load Test Run as described in this blog post by Sean Lumley: http://blogs.msdn.com/slumley/pages/managing-load-test-results.aspx Read More...
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I've posted an article on "Adding Console Output to Load Tests running Unit Tests": http://blogs.msdn.com/billbar/pages/adding-console-output-to-load-tests-running-unit-tests.aspx . Read More...
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VSTS allows you to use the Console.WriteLine within unit tests, but the output is only valid when doing a single pass of the unit test. When running the unit test in a load test, there is no built in mechanism for outputting comments or data. The following Read More...
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Ed Glas has posted a "Content Index for Web and Load Tests" on his blog at: http://blogs.msdn.com/edglas/pages/content-index-for-web-tests-and-load-tests.aspx . This provides links to a variety of online resources (forums, blogs, whitepapers) for VSTS Read More...
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First some background on how IP Switching works with VSTS, which may differ from other load test tools you have used: Many other load testing tools that support IP Switching (also known as IP spoofing) require you to add the IP addresses to the network Read More...
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