How to Build a High-Performance Shopping Cart App with ScyllaDB

A blog post by Attila Tóth details the construction of a high-performance shopping cart application using ScyllaDB, with a focus on leveraging ScyllaDB's Change Data Capture (CDC) feature to monitor and export table changes. This application uses Python and FastAPI for the backend, providing a user-friendly experience for managing products, including adding, removing, and updating product information. ScyllaDB, a NoSQL database known for its low latency and capability to handle large data volumes, is integral to the app's performance, ensuring smooth user interactions that are crucial for e-commerce success. The post emphasizes a "query-first" approach to data modeling, ensuring optimized database schemas for specific use cases and maintaining single-digit millisecond latency. It also highlights the utility of CDC in analyzing user behavior, such as tracking product additions to carts, which can be used to personalize user experiences and improve conversion rates. Additionally, CDC data can be exported to platforms like Kafka for further analytics, providing insights into user behavior and product popularity.