كتابة تقنية

How Tomcat Handles Multiple Requests in Spring Boot: Threads, Connections, and Performance

Learn how Apache Tomcat handles multiple simultaneous requests in a Spring Boot application, from the HTTP connector and worker thread pool to shared singleton beans and thread safety. This guide explains the differences between maxThreads, maxConnections, and acceptCount, why timeouts and request size limits matter, and how keep-alive, NIO, and HTTP/2 fit in, along with practical lessons for diagnosing slow APIs and tuning performance based on evidence.