Pattern series
Optimistic Concurrency Control
3 System Design questions share this exact tag. Use the closely related series below for a fuller drill.
- 01Preview
Auction (eBay)
Design an eBay-style auction system — bidders compete on live listings under heavy contention near closing time, and the system must never accept a lo...
eBay - 02Free guide
Ticketmaster
Design Ticketmaster — an event ticketing system that sells reserved seats under extreme flash-sale contention without ever double-selling a seat.
Ticketmaster - 03Free guide
Uber (Ride Hailing)
Design Uber — a ride-hailing platform matching riders to nearby drivers in real time, with live location tracking, pricing, and trip lifecycle managem...
Uber