Availability – Noise

How we improved availability through iterative simplification

Nick Hengeveld — Tue, 23 Jul 2024 17:00:19 +0000

Solving and staying ahead of problems when scaling up a system of GitHub’s size is a delicate process. Here's a look at some of the tools in GitHub's toolbox, and how we’ve used them to solve problems.

The post How we improved availability through iterative simplification appeared first on The GitHub Blog.

GitHub’s Engineering Fundamentals program: How we deliver on availability, security, and accessibility

Deepthi Rao Coppisetty — Thu, 08 Feb 2024 17:15:55 +0000

The Fundamentals program has helped us address tech debt, improve reliability, and enhance observability of our engineering systems.

The post GitHub’s Engineering Fundamentals program: How we deliver on availability, security, and accessibility appeared first on The GitHub Blog.

Upgrading GitHub.com to MySQL 8.0

Jiaqi Liu — Thu, 07 Dec 2023 22:00:36 +0000

GitHub uses MySQL to store vast amounts of relational data. This is the story of how we seamlessly upgraded our production fleet to MySQL 8.0.

The post Upgrading GitHub.com to MySQL 8.0 appeared first on The GitHub Blog.

Addressing GitHub’s recent availability issues

Mike Hanley — Tue, 16 May 2023 18:33:22 +0000

GitHub recently experienced several availability incidents, both long running and shorter duration. We have since mitigated these incidents and all systems are now operating normally. Read on for more details about what caused these incidents and what we’re doing to mitigate in the future.

Cloudflare and COVID-19: Project Fair Shot Update

Brian Batraski — Thu, 29 Jul 2021 13:00:43 +0000

Cloudflare Waiting Room helping organizations around the world to stifle COVID-19 and aid with easy rapid vaccinations.

Rich, complex rules for advanced load balancing

Brian Batraski — Fri, 16 Jul 2021 13:00:22 +0000

Take control of your traffic by adding custom logic to your origin selection and traffic steering decisions!

Encrypt global data client-side with AWS KMS multi-Region keys

Jeremy Stieglitz — Wed, 16 Jun 2021 22:40:32 +0000

Today, AWS Key Management Service (AWS KMS) is introducing multi-Region keys, a new capability that lets you replicate keys from one Amazon Web Services (AWS) Region into another. Multi-Region keys are designed to simplify management of client-side encryption when your encrypted data has to be copied into other Regions for disaster recovery or is replicated […]

Improving the Resiliency of Our Infrastructure DNS Zone

Ryan Timken — Mon, 30 Nov 2020 13:14:40 +0000

We've improved the resiliency and management of our infrastructure DNS zone. In this post, we guide you through some of the "whats", "whys" and "hows" we encountered along the way.

Unimog – Cloudflare’s edge load balancer

David Wragg — Wed, 09 Sep 2020 11:00:00 +0000

Unimog is the Layer 4 Load Balancer for Cloudflare’s edge data centers. This post explains the problems it solves and how it works.