Shopify replaced Redis with MySQL for inventory reservations–and it scaled

Shopify replaced Redis with MySQL for inventory reservations and achieved better scalability. This change improved performance and reduced complexity. Engineers can learn from Shopify's experience and consider similar database choices for their own inventory management systems. The key takeaway is that a well-implemented relational database can be a viable alternative to a NoSQL database like Redis. This approach can help scale inventory reservations more efficiently.