Dev Tools · 1h ago
Redis Cluster Sharding Limits: Hot Leaderboards Stay on One Node
Podium, a Redis-backed leaderboard system, clarifies that Redis Cluster distributes datasets across nodes but cannot split a single sorted set. This means hot leaderboards remain on one primary, limiting horizontal scaling for individual structures. The project offers HTTP and gRPC APIs for games and competitive apps.
Meridian48 take
The distinction between dataset and data-structure sharding is crucial for architects; this clarifies a common misconception but doesn't introduce new tech.
redis-clusterleaderboard-scaling