The $150 Million Typo: AWS S3 and the Command That Broke the Internet
Apr 8, 2025
How a single mistyped command took down a third of the internet for 4 hours - a real-time problem-solving session for operational safety.
7 min read
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Learn from real production incidents and decision frameworks that develop technical judgment.
The $440 Million Deployment: Knight Capital's Catastrophic Code Release
Jan 22, 2025
How a single misdeployed server cost Knight Capital $440 million in 45 minutes - and the deployment safety framework that prevents these disasters.
7 min read
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Microservices vs Monolith: The Decision Framework I Use
Dec 3, 2024
A practical framework for deciding when to break apart your monolith - based on team structure, not just technical factors.
5 min read
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The GitLab Disaster: When 5 Backup Methods Failed and What It Teaches About Validation
Oct 18, 2024
How GitLab lost 6 hours of production data despite having 5 backup methods - and the framework for ensuring your backups actually work when you need them.
7 min read
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The Kubernetes Cluster That Nearly Killed Black Friday
Jul 25, 2024
How a seemingly small configuration change brought down our entire e-commerce platform during the biggest shopping day of the year - and what we learned about capacity planning.
4 min read
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