Design a Live Leaderboard · System Design Interview

Design a Live LeaderboardDesign the leaderboard for an online game, showing the top players and where the player looking at it stands.What it has to do

A player’s score updates their position on the board

The top 100 can be read at any time

A player can see their own rank and the players immediately around them

Scale

Players: 200 million

Score updates per second at peak: 400,000

Leaderboard reads per second: 2 million

Out of scope

Anti-cheat

Matchmaking

The game itself

Past seasons

Practise this challengeAll system design challenges

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