Alibaba Cloud Developer

Feb 28, 2018 · Databases

How Alibaba’s Tair Cache Engine Scaled to 500M QPS for Double 11

Alibaba’s Tair, a high‑performance distributed key/value cache, evolved through multiple versions to support massive traffic during Double 11, employing multi‑region deployment, hotspot hashing, memory merging, user‑space networking, and client optimizations that dramatically cut latency, improve scalability, and reduce operational costs.