Article posted: Limiting the number of tests run in a load test

I’ve posted an article with an example load test plug-in that allows you to specify the maximum number of test iterations for a load test: http://blogs.msdn.com/billbar/articles/533216.aspx

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Using a load test plugin to limit the number of tests run in a load test

Normally the number of iterations of the inner tests (usually web tests and unit tests) run during a Visual Studio Team System (VSTS) load test is determined by the duration of the load test.  However, some users which to control the number of inner test iterations exactly.   There is not direct support for this in VSTS, but it can…

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Article Posted: What is the data in the load test results store

If you’re interested in accessing the data in the load test results store directly to build your own custom reports or perform your own processing of the data, I’ve posted an article that describes the contents of each of the tables in the load test results store at http://blogs.msdn.com/billbar/articles/529874.aspx.  

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What is the data in the VSTS load test results store

Table: LoadTestRun: Contains one row for each load test that is executed. Columns: LoadTestRunId (int): A unique Id for this load test run in this load test results store.   The value is 1 for the first load test and increments for each load test that is executed.   All of the tables in the load test…

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Deleting old load test results

Load testers sometimes need to clean up old load test results from the VSTS load test results store.   The following SQL script deletes all load test results older than two weeks (though the timeframe is easily changed). If you have a lot of results, this could take a while to run.  I would recommend that you do not run this…

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Article on implementing sync points posted

I’ve posted an article on Implementing sync points in VSTS load tests at: http://blogs.msdn.com/billbar/articles/528649.aspx.  

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Implementing sync points in VSTS load tests

Visual Studio Team System load tests do not have a “sync point” feature that lets a load tester specify that some number of test instances for different virtual users should all sync up at the same point of execution in the test. However, with some caveats it is possible to implement sync points in a unit test or…

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Article Posted: Advanced Load Testing Features of VSTS

I’ve posted an article that discusses some of the advanced features of VSTS Load Testing.   The article goes into more detail on these features than can be found in the existing online documentation, and describes some things that may not be at all obvious from the user interface.    Please read, enjoy, ask questions, and comment.   The…

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Advanced Load Testing Features of Visual Studio Team System

Visual Studio Team Test Edition provides two capabilities that can allow users to create load tests of web sites quickly and easily: the Web Test recorder and the Load Test wizard.    In fact, these tools make this process so easy that it is tempting to use the web tests and the load tests that result…

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Introduction

I’d like to start this blog by introducing myself.  I’m a Software Design Engineer (SDE) on the team that developed the web and load testing tools in Visual Studio Team System 2005.  Specifically, most of my work is focussed on the execution of load tests, including the collection and storage of the results.  I’ve also…

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