Learn how to debug high CPU usage in full-stack apps with this comprehensive guide. Optimize performance at the database, API, and frontend levels using caching, parallelism, event-driven architecture, and more. Gain insights into debugging best practices and strategies to improve user experience. — In full-stack applications, high CPU usage can significantly impact performance and user experience. This blog post provides a comprehensive guide to debugging high CPU usage, covering issues at the database, API, and frontend levels.