Source: XBOSoft

Date: May 2007

Type: White Paper

Rating: (8)

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Overview: Today’s online Web applications need to deliver high efficiency and stability while supporting thousands of users simultaneously. Rather than going live and hoping for the best, it’s better to test applications beforehand in a test environment. HP’s LoadRunner can help do this by simulating hundreds or thousands of concurrent users applying workloads to a system using relatively few hardware resources. With LoadRunner, a tester can divide performance testing requirements into end user scenarios that replace human users with virtual users (Vusers) and emulate the actions of real users working with an application through a recorded script file. LoadRunner’s Vusers generate result data as they perform their scripted transactions. After execution of the script, LoadRunner utilizes the data to generate graphs and reports which can be used to analyze and assess the performance of the application under various load scenarios. LoadRunner, however, has limitations. When testers need information that goes beyond the standard reports or want to do detailed analysis, accessing LoadRunner data is cumbersome. For example, executing the same script and scenario multiple times to do trending analysis or results verification requires the time consuming extraction of raw data from LoadRunner’s results files.

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