Design a Ticket Booking System · System Design Interview

Design a Ticket Booking SystemDesign a system that sells reserved seats for events, where thousands of people try to buy the same seats the moment they go on sale.What it has to do

Show which seats are still available for an event

Hold a specific seat while the buyer completes payment

Confirm the seat on payment, or release it when payment fails or is abandoned

Scale

Events on sale per day: 20,000

Peak concurrent buyers on one event: 500,000

Out of scope

Pricing tiers and discounts

Refunds and exchanges

Rendering the seat map

Fraud detection

Practise this challengeAll system design challenges

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