Home > Load Testing > Visual Studio Performance Testing #7: Unique Data

Visual Studio Performance Testing #7: Unique Data

Some of your test scenarios require unique data. For example, if the script adds a new user account, company, personal information, address, etc, you should use unique data because most system won’t allow you to enter duplicate data.

With Visual Studio, most likely you will be using a data source with the prepared unique data. If you are using one Agent or Visual Studio to execute your load test, the tool may not reuse the data if you have enough data for your test. However, when using multiple Test Agents, it is almost guaranteed that the tool will use the data more than once. Visual Studio allows you to configure that behavior.


I am assuming that you have already added the data source. Expand the datasource node, expand the Tables node and select Unique from the Access Method list as shown below



With such configuration the Test Controller divides the data among the Test Agents

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