Saturday, June 1, 2013

How to estimate memory requirements for Vusers in Loadrunner?

When we run load tests each virtual users uses some memory of host system for example web VUsers will need memory for cookies and viewstates, this is called memory footprint also  known as memory requirement for a Vuser. This mainly depends on Vuser type (Web, Web Services, CITRIX, SAP GUI), application and system where you run the test.

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If we take an example of web application in which your Web HTTP/HTML Vuser takes 4MB when running as a process, 100 Vusers would take 400 MB. Along with this network connections, third party programs that are running in background, memory consumed by application; all added together will give the total memory required.

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