The recent CloudFlare outage highlighted some of the risks of depending on large organizations for certain features… when they have an outage, lots of sites go down. But it also highlights how incomplete limits and filters in queries can return unexpected results.
Business logic and the expectations it has should be reflected in the actual code or queries. Checking for unexpected results also helps minimize cascade errors. When you have a system that physically replicates the output data to multiple other systems, it is even more critical.
These mistakes in CloudFlare’s internal processes caused worldwide disruptions for companies that relied on them. While vibe coding is all the rage nowadays, these types of issues highlight the importance of reliable, explicit output from services. Read more about the outage.
Lessons from the Recent CloudFlare Outage
