What are the LoadRunner components?
• The Virtual User Generator captures end-user business processes and creates an automated performance testing script, also known as a virtual user script. • The Controller organizes, drives, manages, and monitors the load test. • The Load Generators create the load by running virtual users. • The Analysis helps you view, dissect, and compare the performance results. • The Launcher provides a single point of access for all of the LoadRunner components. LoadRunner Terminology A scenario is a file that defines the events that occur during each testing session, based on performance requirements. In the scenario, LoadRunner replaces human users with virtual users or Vusers. Vusers emulate the actions of human users working with your application. A scenario can contain tens, hundreds, or even thousands of Vusers. The actions that a Vuser performs during the scenario are described in a Vuser script. To measure the performance of the server, you define transactions. A transaction represents e
