Luca Toscano – [[WM:TECHBLOG]]

https://commons.wikimedia.org/wiki/File:African_Bush_Elephant.jpg

Upgrading Hadoop in just one day

The Wikimedia Analytics Engineering team manages multiple systems, all gravitating around a big (for our standards) Hadoop cluster. This post describes our path to changing our Hadoop distribution in a single day, together with the lessons learned while doing it.

Saying no to proprietary code in production is hard work: the GPU chapter

Maintaining and improving one of the largest websites in the world using Open Source software requires a continuous commitment. The site is always evolving, so for every new component we want (or need!) to deploy, we need to evaluate the Open Source solutions available.