Upgrading GitHub from Rails 3.2 to 5.2 | GitHub Engineering

2018/09/28 123 users milestone tada

On August 15th GitHub celebrated a major milestone: our main application is now running on the latest version of Rails: 5.2.1! :tada: In total the project took a year and a half to upgrade from Rails 3.2 to Rails 5.2. Along the way we took time to clean up technical debt and improve the overall c... 続きを読む

GLB: GitHub’s open source load balancer | GitHub Engineering

2018/08/08 272 users

At GitHub, we serve tens of thousands of requests every second out of our network edge, operating on GitHub’s metal cloud. We’ve previously introduced GLB, our scalable load balancing solution for bare metal datacenters, which powers the majority of GitHub’s public web and git traffic, as well as... 続きを読む

MySQL High Availability at GitHub | GitHub Engineering

2018/06/20 101 users

GitHub uses MySQL as its main datastore for all things non-git, and its availability is critical to GitHub’s operation. The site itself, GitHub’s API, authentication and more, all require database access. We run multiple MySQL clusters serving our different services and tasks. Our clusters use cl... 続きを読む

Kubernetes at GitHub | GitHub Engineering

2017/08/16 210 users

Over the last year, GitHub has gradually evolved the infrastructure that runs the Ruby on Rails application responsible for github.com and api.github.com. We reached a big milestone recently: all web ... 続きを読む

gh-ost: GitHub’s online schema migration tool for MySQL - GitHub Engineering

2016/08/01 231 users gh-ost MySQL

Today we are announcing the open source release of gh-ost: GitHub’s triggerless online schema migration tool for MySQL.Today we are announcing the open source release of gh-ost : GitHub’s triggerless ... 続きを読む