Previously we looked at using DFE to help make scripts that utilize XML to make it more readable and easier to parameterize. There is another way to use DFE, beyond making a script more readable. Sometimes DFE may be required for the script to run properly. Some applications use what is called GWT (Google Web Toolkit). To use GWT DFE, first you need to identify when an application is using GWT.
DFE is short for Data Format Extension. In simple terms DFE allows for easier LoadRunner scripting by allowing us to decode and encode normally unreadable or formatted data that the may be sent between the client and the server.
I recently decided to go through an exercise with our webmaster to ensure the best performance for the end user experience on our web site. The results are fascinating as the technical person in me wrestles with the business person in me.
I was running a load test overnight (SOAK) for 10 hours. Something happened overnight, and the Controller machine locked up. I could not log into it or connect to it remotely. It had to be rebooted. When it came back up, I tried to recollate the results for this test and launch analysis. I received this error message
Many people in the IT world know James Pulley as a thought leader regarding performance testing. We recently had a chance to catch up with James and ask him some questions about his views on the performance testing industry, as well as his involvement in the online show Perfbytes.