Ancient Bug Discovered in the Visual Metrics Processing Script
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
Articles in “Data”
Improving the Test Selection Experience with Mach Try Perf
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
Reworking our Visual Metrics Processing System
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
Using the Mach Perftest Notebook
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