https://horeb.top/tags/upstream/Recent content in Upstream on HorebHugo -- gohugo.iozh-cn© 2026 JekYUlllFri, 29 May 2026 10:30:05 +0000https://horeb.top/posts/infra-nginx-%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90%E4%B8%83upstream-%E4%B8%8E%E8%B4%9F%E8%BD%BD%E5%9D%87%E8%A1%A1/Sun, 24 May 2026 00:00:00 +0000https://horeb.top/posts/infra-nginx-%E6%BA%90%E7%A0%81%E8%A7%A3%E6%9E%90%E4%B8%83upstream-%E4%B8%8E%E8%B4%9F%E8%BD%BD%E5%9D%87%E8%A1%A1/<p>Nginx 反向代理的核心是 upstream 模块。它负责从上游服务器池中选出一个 peer，建立 TCP 连接，转发请求，接收响应，然后回传给客户端。整个流程涉及连接管理、超时控制、负载均衡调度和事件驱动的 I/O 管理。</p>