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Open Source for Open Knowledge

Tag: Wikimedia

2020 Coolest Tool Awards: Thank you for the tools!

For the past two years, the Coolest Tool Awards has celebrated tools created and used by the Wikimedia community. Read about 2020’s winners.
Continue reading “2020 Coolest Tool Awards: Thank you for the tools!”…
Posted on: January 14, 2021 Last updated on: January 14, 2021 Comments: 0 Joaquin Oltra Hernandez

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.
Continue reading “Wikimedia’s CDN: datacenter switchover”…
Posted on: December 17, 2020 Last updated on: December 18, 2020 Comments: 0 Emanuele 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.
Continue reading “Wikimedia’s CDN: the road to ATS”…
Posted on: November 25, 2020 Last updated on: December 18, 2020 Comments: 0 Emanuele Rocca

Web performance case study: Wikipedia page previews

Preview popups are common and requires careful scripting and styling; they can generate useful learning about performance as a reference for other front-end tasks.
Continue reading “Web performance case study: Wikipedia page previews”…
Posted on: November 23, 2020 Last updated on: December 1, 2020 Comments: 0 Noam Rosenthal

The Query Service Tutorial for Wikidata: an interview with Dr. Keren Shatzman from Wikimedia Israel

With the Wikidata Query service tutorial, Wikimedia Israel aims to empower new users to query Wikidata, which currently holds almost 90 million items.
Continue reading “The Query Service Tutorial for Wikidata: an interview with Dr. Keren Shatzman from Wikimedia Israel”…
Posted on: October 19, 2020 Last updated on: October 20, 2020 Comments: 0 Dr. Keren Shatzman and Elisabeth Giesemann

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.
Continue reading “Wikimedia’s CDN up to 2018: Varnish and IPSec”…
Posted on: October 14, 2020 Last updated on: December 18, 2020 Comments: 1 Emanuele Rocca

Diving into Wikipedia’s ocean of errors

This blog post documents how we prioritized debugging an issue on mobile; how we went about implementing a solution; and what we learned from the experience.
Continue reading “Diving into Wikipedia’s ocean of errors”…
Posted on: September 28, 2020 Last updated on: October 1, 2020 Comments: 0 Jon Robson

Wikimedia’s Event Data Platform – Event Intake

Part 3 of 3 posts on Wikimedia’s event data platform.
Continue reading “Wikimedia’s Event Data Platform – Event Intake”…
Posted on: September 24, 2020 Last updated on: September 24, 2020 Comments: 0 Andrew Otto

From Gerrit to Gitlab: join the discussion

Wikimedia Release Engineering is considering a move from Gerrit to Gitlab. Learn more about the reasoning and join the discussion.
Continue reading “From Gerrit to Gitlab: join the discussion”…
Posted on: September 21, 2020 Last updated on: September 21, 2020 Comments: 0 Tyler Cipriani

Wikimedia’s Event Data Platform – JSON & Event Schemas

In the previous post, we talked about why Wikimedia chose JSONSchema instead of Avro for our Event Data Platform. This post will discuss the conventions we adopted and the tooling we built to support an Event Data Platform using JSON and JSONSchema.
Continue reading “Wikimedia’s Event Data Platform – JSON & Event Schemas”…
Posted on: September 17, 2020 Last updated on: September 25, 2020 Comments: 0 Andrew Otto
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