This is a nice blog post from Asher Feldman, Site Architect, Wikipedia on how Wikipedia Adopts MariaDB. If you’re using English or German Wikipedia, or using Wikidata, you’re currently being served by MariaDB 5.5.
#ILOVEFS A charming reminder from the @fsfe that Free Software is a lot about <3. So here's to my early Free Software loves: @official_php, @mysql (now @mariadb_org), @TheASF, #perl (& @TimToady's wonderful States of the Onion), #vim, @Linux, and - of course - @fsf. Love you all.