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Big Tech

Big Tech engineering developments interpreted for engineers: the architecture and organizational decisions behind systems operating at extreme scale.

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Cloudflare's global outage traced to a config file that outgrew a hardcoded limit

A database permissions change doubled a Bot Management feature file past a 200-feature cap, panicking Cloudflare's proxy and 5xx-ing much of the internet — with no attack involved.

Nov 18, 2025SeniorStaffPrincipal

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Big Tech

MediumWatch

Google's Ironwood TPU bets the datacenter on inference, not training

Google's seventh-generation TPU is its first purpose-built for inference — superpods of up to 9,216 chips — a hardware signal that serving, not training, is now the dominant AI cost.

Nov 7, 2025StaffPrincipalArchitect

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