Welcome to the latest edition of the Performance Testing Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. See below for highlights from … Read more
Welcome to the latest edition of the Performance Testing Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. Last quarter was MozWeek, and … Read more
Welcome to the latest edition of the Performance Testing Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. See below for highlights from … Read more
Welcome to the latest edition of the Performance Testing Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. See below for highlights from … Read more
Welcome to the latest edition of the Performance Testing Newsletter! The PerfTools team empowers engineers with tools to continuously improve the performance of Mozilla products. See below for highlights from … Read more
Since we’ve added mach try perf, quite a few improvements have been made, along with new features added. Below, you’ll find a summary of the most important changes. If mach … Read more
Recently, we had an odd regression in our page load tests. You can find that bug here. The regression was quite large, but when a developer investigated, they found that … Read more
If you’ve ever tried to figure out what performance tests you should run to target some component, and got lost in the nomenclature of our CI task names, then you’re … Read more
Originally, we used a Web Extension for doing performance testing on Firefox in our Raptor test harness. But, we needed to add new features such as visual metrics, so in … Read more
Our visual metrics processing system used to use two separate machines to produce visual metrics from our pageload tests. In this post, I’ll describe how we moved to a single-machine … Read more
In my previous blog post, I discussed an ETL (Extract-Transform-Load) implementation for doing local data analysis within Mozilla in a standardized way. That work provided us with a straightforward way of … Read more
After over twenty years, Mozilla is still going strong. But over that amount of time, there’s bound to be changes in responsibilities. This brings unique challenges with it to test … Read more