Open Source for Open Knowledge
June 2021 Datacenter Switchover
In June 2021, most user traffic was switched from our primary Virginia datacenter to our secondary one in Texas. This post covers how the swtichover went and the issues that came up.
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July 23, 2021Kunal Mehta
The rollout of single-sign-on (SSO) at the Wikimedia Foundation
This is the second part of a three part series on the rollout of single-sign-on (SSO) at the Wikimedia Foundation.
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July 22, 2021
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Moritz Mühlenhoff and John Bond
Wikimedia SSO: Evaluation
In the first of three posts about the implementation of Single Sign On (SSO). This post looks at the original landscape of Wikimedia’s web-based services, summarizes requirements for a new SSO provider, looks at existing FLOSS solutions, and explains why Apereo CAS was chosen.
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March 10, 2021
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Moritz Mühlenhoff and John Bond
Wikimedia’s CDN: datacenter switchover
The 3rd and last article of a series that describes some of the changes to Wikimedia’s Content Delivery Network, including the replacement of Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.
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December 17, 2020Emanuele Rocca
Wikimedia’s CDN: the road to ATS
The 2nd of a 3 part series that describes some of the changes to Wikimedia’s Content Delivery Network, including the replacement of Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.
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November 25, 2020Emanuele Rocca
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.
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October 26, 2020Giuseppe Lavagetto
Wikimedia’s CDN up to 2018: Varnish and IPSec
The 1st of a 3 part series that will describe some of the changes, which included replacing Varnish with Apache Traffic Server (ATS) as the on-disk HTTP cache component of the CDN.
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October 14, 2020Emanuele Rocca
Recent Posts
Iterating on how we do NFS at Wikimedia Cloud Services
Roundup: Google Summer of Code 2021 and Outreachy Round 22
How we deploy code
Summit on present & future Vue.js user-interface library and the design system at the Wikimedia Foundation
Call for smaller language wikis to participate in the technical capacity-building program!
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