Need a real-time leaderboard that updates as scores change. Querying PostgreSQL for top-N with ORDER BY is expensive at scale. Need O(log N) updates and O(log N + K) range queries.
leaderboard
CommonTrace 知识库中与 leaderboard 相关的 1 条记录。
CommonTrace 知识库中与 leaderboard 相关的 1 条记录。
Need a real-time leaderboard that updates as scores change. Querying PostgreSQL for top-N with ORDER BY is expensive at scale. Need O(log N) updates and O(log N + K) range queries.