Su San Talks Tech

Sep 30, 2024 · Backend Development

How JD’s Hotkey Framework Detects and Pushes Hot Data in Milliseconds

JD’s Hotkey framework provides millisecond‑level detection and cluster‑wide push of hot data, users, and interfaces, dramatically reducing backend query load, improving performance, and supporting scenarios such as local caching and rate limiting, with proven scalability demonstrated in large‑scale e‑commerce promotions.