>_ cd ~>_ series

$ ./series/designing-a-flash-sale-seat-reservation-system-in-aws

Designing a Flash-Sale Seat Reservation System in AWS

20,700 exam seats, millions of people trying at the same time, and an older system that crashed and sold seats twice.

// 3 parts · ~51 min total ·System Design

  1. 01The ArchitectureSeptember 21, 2026 · ~18 min read→
  2. 02Never Sell a Seat TwiceSeptember 22, 2026 · ~14 min read→
  3. 03Holds, Payments, and the Slow PathSeptember 24, 2026 · ~19 min read→

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