Xiaolin Talks Programming

Jul 4, 2026 · Backend Development

Spring Boot 3.x Virtual Threads: High-Concurrency Migration & Production Pitfalls

This guide covers practical adoption of JDK 21 virtual threads in Spring Boot 3.2+, detailing configuration pitfalls, connection pool tuning, thread pool separation, pinning diagnosis via JFR, monitoring metrics shifts, and a phased rollout strategy for high-concurrency services.