Death by Sale
summary
Yandex.Money needed to enable card acquiring for many online stores during Black Friday, which required increasing card authorization throughput by 1,000×. They ran dozens of production-scale load tests in parallel with real user activity alongside banks and payment systems, and carried out testing, tuning, and system redesign to meet that traffic — concluding with whether the system survived the sale day.
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chapters (15)
- 0:00Introduction
- 3:15What is death by sale?
- 6:09Card authorization process
- 10:04Emulating acquiring bank work
- 12:11Production testing prep
- 13:42First bottlenecks
- 16:54Performance improvements
- 18:43Optimizing components
- 21:10Real bank challenges
- 23:59Testing budget/logistics
- 26:48Bank partner work
- 29:37Live fire tests
- 31:47Continuous performance testing
- 33:15Q&A
- 47:06Future plans
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