Keydb Eng | TOP-RATED • 2024 |

KeyDB supports multi-master replication. Two or more distinct KeyDB instances can actively read and write data to each other simultaneously, providing built-in failover and high availability.

Beyond its parallel execution model, KeyDB offers several open-source optimizations designed to reduce computing footprints and simplify horizontal scaling: 1. MVCC Non-Blocking Database Engine keydb eng

More recently, a community benchmark on a four‑vCPU GitHub Actions runner compared Redis‑compatible engines. KeyDB consistently outperformed Redis in throughput and latency while using significantly less memory. For high‑traffic applications, a well‑configured KeyDB instance can exceed one million operations per second, handling on a single node what would otherwise require a cluster of Redis instances. KeyDB supports multi-master replication

Redis utilizes a single-threaded multiplexed event loop powered by system calls like epoll or kqueue . While this design guarantees atomicity and eliminates race conditions, it leaves modern multi-core server processors underutilized. As network traffic grows, a single CPU core handles all data copying, serialization, and command parsing, creating an architectural ceiling. MVCC Non-Blocking Database Engine More recently, a community