A Scalable Slot Booking System: The Importance of Concurrency Control

In today's fast-paced digital world, seamless and scalable booking systems are essential. A recent blog post highlights the importance of concurrency control in slot booking systems, particularly when multiple users attempt to book the same time slot simultaneously. To achieve this, the system utilizes Redis distributed locks to ensure that only one user can book a slot at any given time.

The article discusses the key components of the Slot Booking System, including data models for users and slots stored in MongoDB, APIs for user registration and authentication, and endpoint methods for creating and booking slots. Concurrency control is achieved through lock acquisition, availability checks, and lock release processes. The system also handles errors gracefully and ensures security through proper authentication mechanisms.

The post emphasizes the need to consider concurrency, data integrity, and security when designing a scalable and reliable slot booking system. By leveraging Redis distributed locks and MongoDB for data persistence, this architecture provides a strong foundation for managing bookings efficiently under heavy load.

Source: https://dev.to/abhinav707/building-a-scalable-slot-booking-system-with-redis-distributed-locks-4cf8