Cloudflare eating their own dogfood at their 600-odd data centers globally.

> Physical data center maintenance is risky on a global network. We built a maintenance scheduler on Workers to safely plan disruptive operations, while solving scaling challenges by viewing the state of our infrastructure through a graph interface on top of multiple data sources and metrics pipelines.

Via [The Cloudflare Blog](https://blog.cloudflare.com/building-our-maintenance-scheduler-on-workers/)