Design and Implementation of Pitcher: A Go‑Based Reverse Proxy Middleware
The article presents Pitcher, a Go‑implemented reverse‑proxy middleware, detailing its one‑core‑multiple‑routes architecture, callback‑based module model, hot‑configuration reload, graceful restart strategies, GC optimizations, service splitting, and various transport choices such as TCP/protobuf, UDP, and Unix domain sockets to achieve high‑performance, scalable traffic entry for Qunar.
