Exploring the Software Behind Facebook, the World's Largest Social Media Site - pingdom.com
At the scale that Facebook operates, a lot of traditional approaches to serving web content break down, or simply aren’t practical. The challenge for Facebook’s engineers has been to keep the site up and running smoothly. This article takes a look at some of the software and techniques they use to accomplish that.
19 Feb 2019 ... It's a distributed memory caching system which Facebook (and a ton of other sites ) use as a caching layer between the web servers and MySQL ...