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Increase the Load Generated During a Test-run
In order to increase the amount of data generated during a Test-run and to produce some varied results for analysis, you can raise the load generated against the target Web site by modifying some of the Script-based Task Group settings.
To increase the load generated during a Test-run you can:
Increasing the number of Script iterations from one to five for example, will result in each Virtual User running a Script from beginning to end five times.
You can also increase the load by increasing the number of Virtual Users:
Try experimenting with your Task Group settings and running the Test again. Allocate five Virtual Users and start them at five second intervals. This technique allows you to ramp-up the load generated against the target Web site.
Use the Batch Start Options when defining your Virtual User settings to control when and how many Virtual Users are active during a Test-run.
Use the results display functions to view and compare the performance data you have collected.
Conclusion
The Test you have created and run whilst working through this guide will hopefully have given you an understanding of the basic techniques involved in successfully developing HTTP/S performance Tests using OpenSTA. As well as indicating the potential of the software for analyzing your own Web sites and improving their performance.
Note: OpenSTA's distributed architecture enables you to utilize remote Hosts to execute Task Groups during a Test-run across the Web. For more information on this functionality move on to the next section.
Next Section: Running a Test Over the Web
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