Kuaishou Tech

May 28, 2025 · Databases

Optimizing Kuaishou's Photo Object Storage: Reducing Size and Boosting Cache Hit Rate

This article details how Kuaishou dramatically cut storage costs and improved cache efficiency for its core Photo data object by cleaning up redundant JSON fields, applying selective serialization, and performing large‑scale data cleaning, achieving a 25% size reduction, a 2% cache‑hit increase, and multi‑hundred‑TB savings.