vivo Internet Technology

Jun 18, 2025 · Backend Development

Cutting Spring Boot Startup Time by 50%: From 280 s to 159 s

This article systematically analyzes a Spring Boot project's 280‑second startup, identifies bottlenecks such as bean initialization and sharding data source loading, and applies listener‑based timing, bean‑post‑processor profiling, and asynchronous initialization to reduce launch time to 159 seconds, improving developer efficiency.