#latent-bug

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#observability #distributed-systems #incident-response #cloudflare #outage #internet-infrastructure
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fromNew Relic
12 hours ago

What the Cloudflare Outage Teaches Us About System Limits and Latent Bugs

A dormant, hard-coded feature limit combined with a routine database change caused a production panic, demonstrating need for advanced observability to detect rare latent bugs.
fromTechCrunch
2 days ago

Cloudflare blames massive internet outage on 'latent bug' | TechCrunch

Around the same time, Cloudflare's chief technology officer Dane Knecht explained that a latent bug was responsible in an apologetic X post. "In short, a latent bug in a service underpinning our bot mitigation capability started to crash after a routine configuration change we made. That cascaded into a broad degradation to our network and other services. This was not an attack," Knecht wrote, referring to a bug that goes undetected in testing and has not caused a failure.
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