3x3 Fresh Code Delivered, Three Times a Day
summary
Claims delivery pipeline shifts LinkedIn from monthly to three hours from commit to deploy and sustains three deployments per day for web and internal mobile channels for 1–2 years. Engineering moves: precommit linters and static analysis, a distributed build cache, parallel CI, a test pyramid with ~60% unit tests, canary 1–5% traffic, Android alpha plus 10,000-seat public beta, weekly iOS releases via TestFlight. Instrumentation and dogfooding reports measure bottlenecks and the pipeline proves repeatable in production.
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chapters (9)
- 0:00Intro
- 4:30What is 3x3
- 6:38Principles of 3x3
- 9:00How did you realize a vision
- 10:52How did you improve the developer experience
- 14:47Postcommit phase
- 17:23Lessons learned
- 19:07Tests
- 22:44Safety nets
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