Chapter 1: Shopee Microservices — Golang, gRPC & API Gateway Foundation
Series Hub: Shopee Architecture Masterclass | Next Chapter: Chapter 2 — Flash Sale Engine & Zero Overselling Answer-first: Shopee replaced its legacy Python monolith with high-performance Golang microservices orchestrated via ByteDance Kitex and Netpoll IPC to eliminate Global Interpreter Lock contention and slash memory overhead. Integrating zero-copy Protobuf serialization, partitioned Consul discovery with local DaemonSet caching, and bounded worker pools dropped internal p99 RPC latency below three milliseconds under 500,000 requests per second. ...