TestingWorld

                      Virtual User Concept in Performance testing As i have defined "Concurrent user" in one of my post before, but this is one of the important concept which need a good grasp for a performance tester. Let me again re-phrase the user concepts in terms of performance testing: User can be termed as "Virtual User" in performance testing perspective since during the test run , users used are not the real users. Virtual users can categorized into various types in terms of understanding, but " Simultaneous Users " and " Concurrent Users " are widely used as concept in testing. What is Simultaneous Users? The users who have a valid session in the server. Each of the users would be performing different actions like one doing login , other viewing the reports, etc. What is Concurrent Users? The users who have a valid session in the server & they are performing the same operation at any poi...