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Think Time ModeDescription
ZeroNo think-time is used. This is generally not recommended for load tests because it results in an abnormally high load on the tested website. Use this option when a maximum load is required in stress tests.

The think time specified in each page or transaction will be used. You can modify the property by selected the page or transaction object in the test case tree and change the think time property in the property grid. The default value for pages is the recorded think time. When recording a test case, StresStimulus registers the time you spent on web pages and saves it in the page Think Time property.

ConstantConstant think time will be used. Another property will appear called Think Time (s), where you can specify a fixed value.
RandomWhen any of the previous options is selected, all VUs will exercise the same think time for pages. That never happens in real life. To make the test more realistic, use randomized think time for pages. When this option is selected, a random value in a given range will be used. Two properties will appear called Min Think Time (s) and Max Think Time (s) in which you can specify the think time range.

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The think time is a delay inserted after the page or transaction is executed. Think time is not included in the page or transaction response time. The default think-time setting for pages is constant at 2 seconds, and the default for transactions is 10 seconds.


Higher think-times slow down the client request rate, which results in a lower server load. Increasing the think time will typically decrease the request rate and will allow the server to handle more virtual users.