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What is the memory footprint per virtual user running a Web based loadtest?

What is the memory footprint per virtual user running a Web based loadtest?

Results may differ on operating system, client version and kind of application.
Below are the value guidelines for the memory footprint accordingly to the Windows 2000 Operating System, based on Silk Performer 6.0.

The actual memory size is dependant on the complexity and size of the Web pages to be tested as the Page Based API Level stores page history - links, embedded objects and frames.

Please note that on other operating systems such as Windows XP and Windows 2003 the memory usage should be a little bit less than these values.

NB. To adjust the "Virtual User Per Process" setting in Silk Performer go to:

SETTINGS | SYSTEM | WORKBENCH | CONTROL | VIRTUAL USERS and uncheck "automatic calculation".

Memory footprint per virtual user:

Normal Web traffic without SSL & without the TrueLog on Error enabled:

Virtual User(s) Memory (KB)

1 / process ~1600
25 / process ~320-570
50 / process ~320-570

Normal Web traffic without SSL & with the TrueLog on Error enabled:

Virtual User(s) Memory (KB)

1 / process ~1700
25 / process ~580-1030
50 / process ~580-1030

 

Secure Web traffic (SSL) & without the TrueLog on Error enabled:

Virtual User(s) Memory (KB)

1 / process ~2000
25 / process ~670-920
50 / process ~670-920

 

Secure Web traffic (SSL) & with the TrueLog on Error enabled:

Virtual User(s) Memory (KB)

1 / process ~2200
25 / process ~930-1380
50 / process ~930-1380

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