When you are deploying code to a server and not with containers then it is critical to know how to properly restart Opcache. Why? Opcache never throws old files out of the cache. Therefore, if a new version is deployed in a completely new directory, all files from the old version will remain in the [...]
This is the story of the manufacturing of seven-league boots for a function that is responsible for processing XML/HTML data in the PHP library. Optimizations in the PHP standard library, like here in ext/dom, have the potential to speed up the performance of applications significantly by an upgrade to the current PHP version. I...
You can now unpack the Christmas present that was promised to you at the end of 2023! As you may have already read in the Flamegraph Feature Preview, this exciting new feature of the Profiler is now the focus of our first release in 2024. The Flamegraph complements the Timeline and Callgraph features and visualizes [...]
A few weeks ago, Andrey from Ecommlab contacted me to ask me about a strategy to get performance insights from Tideways into Shopware 6 checkout. The store of our joint customer “Bär Schuhe” was slow for customers during the order confirmation process. Optimizing checkout performance is important but much more difficult...