A Multithreaded Fork of Redis That’s 5X Faster Than Redis - KeyDB
A database engine is only as good as its durability story. KeyDB retains Redis’ RDB (point-in-time snapshots) and AOF (Append-Only File) but improves the replication story.
Published benchmarks (KeyDB team, Snap Inc.) on a 40-core machine with memtier_benchmark:
One command executes at a time (global mutex). KeyDB: N commands execute at a time (where N = partition count, default 4x CPU cores).