ShopifyDifficulty: Advanced
We replaced Redis with MySQL for inventory reservations—and it scaled
Migrating inventory reservation system from Redis to MySQL using row-level locking and optimized indexing strategies to achieve production scale.
Interview angle
How would you design a highly-concurrent inventory reservation system that reliably handles concurrent requests while maintaining data consistency?
- Failure / topic
Redis-based inventory system inability to meet scaling requirements and persistence guarantees
- Concept tags
- Source
- shopify.engineering