Programmer DD

Sep 29, 2020 · Backend Development

How JD’s HotKey Middleware Boosts Backend Performance via Protobuf

The HotKey middleware, built on JD’s 618 stable version 0.2, introduces protobuf serialization and optimizes data transmission, achieving up to 37 k QPS stable throughput, 15% lower CPU peaks, and millisecond‑level hot‑key detection and push across dozens of core JD services, dramatically reducing backend storage load.