Archive for August, 2008
Thursday, August 28th, 2008
Often when performance testing in a black box environment, you are left with the onerous responsibility to report against response time performance.
A typical approach by performance testers is to rely on 95th percentiles, which is effectively a Service Level Agreement (SLA) saying that 95 percent of all my samples have ...
Posted in LoadRunner, Analysis, Tools, JMeter | 7 Comments »
Monday, August 18th, 2008
When/if I am asked to conduct interviews again for potential performance test analysts, I think I will include this question in my repertoire to suss out those in the know, and those just, um, pretending ...
Here is a great analogy of throughput and latency. I don't pretend to understand queuing ...
Posted in Tuning | 1 Comment »
Sunday, August 17th, 2008
A new version of FireWatir has been released. This includes some fixes related to Firefox 3 but more importantly, it marks the merger of FireWatir and Watir projects, allowing for tighter coupling of methods and functionality between the two, allowing you to write less code =)
To use FireWatir, you will ...
Posted in Ruby, watir | No Comments »
Friday, August 8th, 2008
In an effort to get more actively involved with the open source community, I've recently starting working with another colleague on a new site called justaddwatir.com. This is an exciting collaboration of examples for web application testing in ruby (watir - pronounced "water").
Watir is a simple open-source library for ...
Posted in Ruby, watir | No Comments »
Friday, August 8th, 2008
This is most likely because the JMeter recording proxy does not support the https protocol. If it's a screen you can live without, you can just stop/start the proxy recorder around that page (I use the Firefox plugin called FoxyProxy to quickly switch between different proxy configurations).
However, if it is ...
Posted in JMeter | No Comments »
Friday, August 8th, 2008
Just a quick post for myself so I don't forget... I needed to generate a random alpha for use in a LoadRunner web vuser script. The native LoadRunner parameters can do random numerics and date/times but I couldn't find a way to generate only characters, as one might need to ...
Posted in LoadRunner | No Comments »
