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Scaling Rails at Aura Frames: Splitting to 8 Primary DBs and Reaching #1 in the App Store

Quality: 9/10 Relevance: 9/10

Summary

Aura Frames scaled its Rails app by sharding across eight primary PostgreSQL databases and using Rails disable_joins to avoid cross-database joins. The article provides technical details, metrics from Christmas 2025 peak load, and guidance on migrating configuration, testing, and data access across databases.

🚀 Service construit par Johan Denoyer