Alibaba Cloud Developer

Jan 11, 2021 · Backend Development

Why Tengine’s access_log Shows Fast Times While Users See Delays – Uncover the Hidden Timing Secrets

This article explains how Tengine logs request timing, why the server‑side request_time_msec can appear short while clients experience longer delays, and provides practical methods to analyze access_log entries, understand upload/download latency differences, minimum download speeds, and special status codes such as 400, 408, and 499.