Getting Faster Answers at Yahoo Answers
summary
Moves Yahoo Answers from monthly 4–6 week deploys to daily releases by rearchitecting in place: a MySQL read cache for 95% reads, a new data-access layer, one-page-at-a-time refactors into a service-oriented design, and an A/B framework. Uses Hudson build system plus rollback scripts so teams roll forward or back quickly. Results: traffic jumps 72% (140M to 240M monthly), engagement triples, revenue doubles, and daily deploy cadence with close metric-driven ownership and change-monitoring tooling.
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chapters (8)
- 0:00Intro
- 0:38Context
- 6:31Before and After
- 8:01Team
- 10:48Metrics
- 13:22Architecture
- 16:36Agile
- 20:56Take Risks
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