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

Towards Natural Language Semantic Code Search | GitHub Engineering

2018/09/19 10 users

This blog post complements a live demonstration on our recently announced site: experiments.github.com Motivation Searching code on GitHub is currently limited to keyword search. This assumes either the user knows the syntax, or can anticipate what keywords might be in comments surrounding the co... 続きを読む

Removing jQuery from GitHub.com frontend | GitHub Engineering

2018/09/07 95 users Frontend

We have recently completed a milestone where we were able to drop jQuery as a dependency of the frontend code for GitHub.com. This marks the end of a gradual, years-long transition of increasingly decoupling from jQuery until we were able to completely remove the library. In this post, we will ex... 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

February 28th DDoS Incident Report | GitHub Engineering

2018/03/01 21 users

On Wednesday, February 28, 2018 GitHub.com was unavailable from 17:21 to 17:26 UTC and intermittently unavailable from 17:26 to 17:30 UTC due to a distributed denial-of-service (DDoS) attack. We under... 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

Soft U2F | GitHub Engineering

2017/07/24 36 users

In an effort to increase the adoption of FIDO U2F second factor authentication, we’re releasing Soft U2F: a software-based U2F authenticator for macOS.In an effort to increase the adoption of FIDO U2F... 続きを読む

MySQL infrastructure testing automation at GitHub | GitHub Engineering

2017/07/06 52 users

Our MySQL infrastructure is a critical component to GitHub. MySQL serves GitHub.com, GitHub’s API, authentication and more. Every git request touches MySQL in some way. We are tasked with keeping the ... 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

Deploying branches to GitHub.com - GitHub Engineering

2015/06/02 47 users

At GitHub, we use a variant of the Flow pattern to deploy changes: new code is always deployed from a pull request branch, and merged only once it has been confirmed in production. master is our stabl... 続きを読む

Rearchitecting GitHub Pages - GitHub Engineering

2015/05/27 42 users

GitHub Pages, our static site hosting service, has always had a very simple architecture. From launch up until around the beginning of 2015, the entire service ran on a single pair of machines (in act... 続きを読む

Browser Monitoring for GitHub.com - GitHub Engineering

2015/05/19 41 users

Most large-scale web applications incorporate at least some browser monitoring, collecting metrics about the user experience with JavaScript in the browser, but, as a community, we don't talk much abo... 続きを読む

GitHub Engineering

2015/05/19 80 users

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