Gaming Leaderboard (Top K)
Distributed SystemsReal-timeStorage
0) Problem Restatement
Design a real-time leaderboard system for a massively multiplayer online game that displays the top K players (e.g., top 100) based on scores. Core challenges include handling millions of score updates per second, maintaining sorted rankings efficiently, supporting multiple leaderboard types (global, regional, daily, weekly), and serving read requests with low latency (< 100ms).
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