The Pith of Performance

In the GCaP class earlier this month, we talked about the meaning of the load average (in Unix and Linux) and simulating a grocery store c...

Queueing theory, as a distinct discipline, just turned 100 last year. Compared with mathematics and physics, it's a relative youngster. ...

One of my gripes about some commercial load testing tools is that they only provide a think time distribution (Z) that is equivalent to unif...

Last week in the GCaP class , I underscored how important it is to "look out the window" and keep an eye on what is happening in t...

One of the recurring questions in the GCaP class last week was: How can we make web-application load tests more representative of real Inte...

It was sunny outside but we ended up staying in the shade for better lighting balance. Other grads had to catch earlier flights home by the ...

MariuszW asked a question in a previous post entitled This is Your Measurements on Models . Since answering it is rather involved, I decided...