Profiling PHP in production at scale
We built an efficient sampling profiler for PHP. It runs continually in production on live requests, and generates trace logs and flame graphs.
Tag: PHP
2020: The Year in Vue
A look back at a year of experiences of using Vue within the Structured Data team.
Impact of using HTTP connection pooling for PHP applications at scale
This post explores the challenges of running PHP applications at a large scale and discusses the effect of using Envoy on MediaWiki applications.
Celebrating 600,000 commits for Wikimedia
A reflection on the developer services we offer and our community of developers.
Parsoid in PHP, or there and back again
In December 2019, we replaced the original version of Parsoid, written in JavaScript, with a version written in PHP, the primary programming language of MediaWiki. This new version, called Parsoid/PHP, is roughly twice as fast on most requests as the original version Parsoid/PHP brings us one step closer to integrating Parsoid and other MediaWiki wikitext-handling code into a single system.
WikimediaDebug v2 is here!
WikimediaDebug is a set of tools for debugging and profiling MediaWiki web requests in a production environment. WikimediaDebug can be used through the accompanying browser extension, or from the command-line. This post highlights changes we made to WikimediaDebug over the past year, and explains more generally how its capabilities work.
Debugging production with X-Wikimedia-Debug
Here are ways we debug issues in production when users report bugs.
Perf Matters at Wikipedia in 2015
Looking back at our ups and downs.
How we made editing Wikipedia twice as fast
Over the past six months we deployed a new technology that sped up Wikipedia’s backend application, reducing the median page-saving time for editors from about 7.5 seconds to 2.5 seconds.