https://neatguycoding.com/zh-cn/categories/performance-tuning/Recent content in Performance Tuning on Neat Guy CodingHugo -- gohugo.iozh-cn© 2026 NeatGuyCodingMon, 28 Feb 2022 00:00:00 +0000https://neatguycoding.com/zh-cn/posts/spring-5-regression/Mon, 28 Feb 2022 00:00:00 +0000https://neatguycoding.com/zh-cn/posts/spring-5-regression/调查升级到 Spring Boot 2.4.6 + Spring Cloud 2020.0.x 后过度内存分配和 YoungGC 频率增加的问题，揭示 BeanUtils.copyProperties 如何在 Spring 5.3.x 版本中创建大量 ResolvableType 对象而不进行缓存。