Nov 1, 2022 · Backend Development

How JD-hotkey Achieves Million‑Level Hot Data Detection with Millisecond Latency

JD-hotkey is a high‑performance backend framework that detects billions of hot keys daily, captures crawlers and hot items, and pushes them to service memory within milliseconds, dramatically reducing data‑layer load and boosting application performance.

Backend PerformanceHot Data DetectionJava

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How JD-hotkey Achieves Million‑Level Hot Data Detection with Millisecond Latency

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.

Backend MiddlewareHot Data DetectionHotKey

0 likes · 5 min read

How JD’s HotKey Middleware Boosts Backend Performance via Protobuf