Welcome to the Wikimedia Technical Blog!

How we’re building our Kubernetes pipeline in GitLab

Our deployment pipeline helps our developers build, test, and release Docker images to our production Kubernetes. Now we’re migrating the pipeline to GitLab and seizing the chance to refine our tools.

Web Perf Hero: Valentín Gutierrez

Today we celebrate two numbers: 25% lower latency for ATS backend requests at the p75, and up to 1000X reduction of ATS disk read latency at the p999.

A graph of SPDY usage vs time to first paint

HTTP/2 performance revisited

Deploying HTTP/2 support to the Wikimedia CDN significantly changed how browsers negotiate and transfer data during the page load process. We found regressions in performance during the transition and are sharing the lessons we learned.

Two people sitting cross-legged while working on their computers. They seem to be discussing code.

Join the Wikimania Hackathon, August 12-14 2022!

The Wikimania 2022 Hackathon is a free, online event where anyone interested in Wikimedia technology can work together on projects, learn new skills, and meet other technical contributors. Don’t miss this opportunity to come together with other Wikimedia technical community members!

World map representing all the oceanic cables, highlighting the ones in relation to Marseille

Building DReaMeRS: How and why we opened a datacenter in France

Content delivery networks (CDNs) are one of the modern building blocks of the Internet. This blog post highlights a recent addition to Wikimedia’s CDN setup.

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Welcome to the Wikimedia Technical Blog!

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