Zero GC

360 Smart Cloud

Oct 29, 2021 · Backend Development

Deep Dive into FreeCache: Architecture, Zero GC, High Concurrency, and Approximate LRU

This article analyzes the Go‑implemented FreeCache library, detailing its project features, internal data structures, zero‑GC design, segment‑based locking for high‑concurrency thread‑safe access, the set operation workflow, index expansion, and its approximate LRU eviction strategy.