Design a Virtual Waiting Room · System Design Interview

Design a Virtual Waiting RoomDesign what a stadium tour’s ticket site puts in front of the shop: everyone who arrives is held in a line, told where they stand, and let through at the rate the shop can actually serve.What it has to do

Someone arriving is given a place in line and told roughly how long it will be

People are admitted in the order they joined, at a rate the shop can absorb

Someone admitted gets a window in which the shop is theirs to use, and no way to hand it to anyone else

Scale

People arriving in the first minute: 4 million

Tickets on sale: 90,000

Out of scope

Seat selection and holds

Payment

The shop itself

Pricing and allocations per fan club

Practise this challengeAll system design challenges

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