Tagged: reliability

4 articles

· 2 min read

When does caching make it worse?

A cache is a bet that the past predicts the present. Four ways the bet goes wrong, and the questions that price it before you place it.

#scaling#caching#reliability

· 2 min read

What did 2025's public incidents agree on?

A grid, a cloud, and everything between them. The year-end read of the incidents that published enough detail to learn from.

#incidents#reliability#dependencies

· 3 min read

How deep does your dependency graph go?

On June 12 a Google Cloud failure took down Cloudflare services, which took down their customers. Three levels of transitivity, one afternoon. A briefing.

#dependencies#reliability#cloud

· 2 min read

What does a black start teach a software architect?

In April, the Iberian grid went dark and was rebuilt generator by generator in a day. The restart discipline is one most software estates have never priced.

#reliability#recovery#incidents