Global shared control plane updates are frighteningly common. For example Cloudflare regularly brags about how your configuration updates are pushed around the world in single-digit seconds. Sure, it is an amazing feature, but it opens you up to this sort of issue.
All changes to critical infrastructure should be a gradual rollout (emergencies aside). Instant sounds nice, until it isn't. If this rolled out to one region for the first hour it likely would have been caught and Fastly could press the "stop all rollouts" button.
All changes to critical infrastructure should be a gradual rollout (emergencies aside). Instant sounds nice, until it isn't. If this rolled out to one region for the first hour it likely would have been caught and Fastly could press the "stop all rollouts" button.