https://hicalio.cn/tags/atomic/Recent content in Atomic on HicalHugozh-cnTue, 12 May 2026 00:00:00 +0000https://hicalio.cn/posts/%E8%BF%9E%E6%8E%A5%E7%BA%A7atomic%E6%97%B6%E9%97%B4%E6%88%B3%E8%B6%85%E6%97%B6%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%86%B3%E7%AD%96/Tue, 12 May 2026 00:00:00 +0000https://hicalio.cn/posts/%E8%BF%9E%E6%8E%A5%E7%BA%A7atomic%E6%97%B6%E9%97%B4%E6%88%B3%E8%B6%85%E6%97%B6%E7%9A%84%E5%AE%9E%E7%8E%B0%E5%86%B3%E7%AD%96/用 atomic 时间戳 + 定期扫描替代 per-request steady_timer，消除 keep-alive 场景下每请求 2 次 epoll_ctl 系统调用。从方案选型到实现细节的完整决策记录。