The Magic of Small Things – Microservices 10 Years On

on YouTube ↗01h 00m

" summary

A greenfield implementation builds a near real‑time loyalty system that must handle Walmart scale on Black Friday and goes live in an 18‑month Walmart‑scale loyalty platform using many small services of about a thousand lines each, deployed as containerless JAR Unix services from located in separate repos with autoscaling and stateless design. The talk shows it works but warns that decentralized data and polyglot persistence create consistency pain and advises avoid distributed transactions by choosing larger service boundaries instead.

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" chapters (10)

1. 0:00Introduction to microservices
2. 10:23Origins of microservices concept
3. 25:17Original microservices vision
4. 33:05Business capabilities and Conway's law
5. 41:08Decentralized data management challenges
6. 47:03Decentralized governance and autonomy
7. 51:18Infrastructure automation struggles
8. 54:26Unexpected side effects of microservices
9. 57:17What we wish we'd done differently
10. 59:03Future of microservices and agents

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