Top Architect
Apr 8, 2021 · Databases
Redis Multi‑Threading Evolution: Lazy Free and I/O Thread Mechanisms
Redis, traditionally a single‑threaded in‑memory cache, introduces Lazy Free in version 4.0 and multi‑threaded I/O in version 6.0 to mitigate blocking during large key deletions and improve performance, with detailed explanations of event handling, code implementations, limitations, and comparisons to Tair’s threading model.
DatabaseI/O ThreadLazy Free
0 likes · 16 min read