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

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

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

Until last week, GitHub used an Out of Band Garbage Collector (OOBGC) in production. Since removing it, we decreased CPU time across our production machines by 10%. Let’s talk about what an OOBGC is, when

How we use Figma files to keep the Octicons icon library up to date

Last month GitHub celebrated the fourth year of our Security Bug Bounty program. As we’ve done in the past, we’re sharing some details and highlights from 2017 and looking ahead to where we see the

GitHub recently open sourced Licensed in the hopes that it is as helpful to the OSS community as it has been to us. <disclaimer> 1 of 1 consulted lawyers agree, Licensed is not a replacement

Is your Git repository bursting at the seams? git-sizer is a new open source tool that can tell you when your repo is getting too big. git-sizer computes various Git repository size metrics and alerts

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 understand how much you rely on

Earlier today we permanently removed support for the following weak cryptographic standards on github.com and api.github.com: TLSv1/TLSv1.1: This applies to all HTTPS connections, including web, API, and Git connections to https://github.com and https://api.github.com. diffie-hellman-group1-sha1: This