At GitHub, we recently added a new feature to Rails that will be available in 7.0: support for handling associations across database clusters.

In June, we experienced no incidents resulting in service downtime to our core services.

We recently set about creating a framework and service for automatically generating social sharing images for repositories and other resources on GitHub.

In May, we experienced two incidents resulting in significant impact to multiple GitHub services.

Over the years, GitHub engineers have developed many ways to observe how our systems behave. We mostly make use of statsd for metrics, the syslog format for plain text logs and OpenTracing for request traces.

GitHub is the home for software development teams and is the place where they collaborate and build. For larger organizations, you might have a dedicated reporting team that wants to export this activity at a

GitHub has been at the forefront of security key adoption for many years. We were an early adopter of Universal 2nd Factor (“U2F”) and were also one of the first sites to transition to Webauthn.

In April, we experienced two incidents resulting in significant impact and degraded state of availability for API requests and the GitHub Packages service, specifically the GitHub Packages Container registry service. April 1 21:30 UTC (lasting

At GitHub, we pride ourselves on delivering a first-class developer experience. A considerable part of our work is on our front end, which we strive to keep as lightweight, fast, and accessible as possible. For

At GitHub, we serve some of the largest Git repositories on the planet. We also serve some of the fastest-growing repositories. Each day, the largest repositories we host become even larger. About a year ago,