From Bytes to Brilliance : Optimizing Large File Delivery in REST APIs | Nupur Agarwal (EN)

This talk covers a real-world journey of optimizing file delivery in Spring Boot, progressing from an initial naive implementation to a robust, production-ready solution. The speaker explores key topics such as efficient file streaming without API disruption, preventing corrupted attachments, and managing timeouts and resource exhaustion under load. Through live coding and practical insights, attendees will learn about the performance pitfalls of seemingly obvious solutions and the necessary trade-offs between simplicity and scalability, equipping them to handle large file responses effectively. This session is ideal for those working on internal tools or public APIs, offering valuable techniques to enhance performance without compromising resources.