Breaking the Monolith at Twitch: Part 2 | Twitch Blog

The Massive Migration: WexitBack in 2015, a new company-wide campaign to move all of Twitch’s backend code into Go microservices started. The codename was “Wexit.”With the exception of a few microservices like Jax, the vast majority of the site was still working inside the Rails monolith. Developers would highlight various challenges when working with the existing codebase. For example:.