Push to Prod

pushtoprod.substack.com

Battle-tested insights from building critical systems at Netflix, Twitter, and Comcast - edge routing, personalization infrastructure, and analytics serving millions in production. Click to read Push to Prod, by Matthew Hawthorne, a Substack publication with thousands of subscribers.

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Systems & Performance 1 Software Engineering 1

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We built a self-healing system to survive a concurrency bug at Netflix

2024345 points165 comments Systems & Performance details

Our CPUs were dying, the bug was temporarily un-fixable, and we had no viable path forward. Here's how we managed to survive.