Active-Replica

Selected Java Interview Questions

Dec 28, 2023 · Databases

KeyDB Multithreaded Architecture, Connection Management, Fastlock, and Active‑Replica Mechanism

This article explains how KeyDB, a multithreaded fork of Redis, restructures the original single‑threaded design by introducing worker threads, per‑thread connection handling, a fastlock spin‑lock implementation, and an active‑replica feature that enables writable replicas with conflict‑resolution using timestamped keys.