Keydb Eng High Quality

: An MVCC implementation allows for non-blocking queries like SCAN and KEYS to run without degrading the performance of active workloads.

robj *o = lookupKeyRead(c->db, c->key);

While the maintainers of Redis held strong convictions to maintain a single-threaded engine for simplicity, KeyDB's creators prioritized a "batteries included" approach, focusing on ease of use and high performance—even if it added complexity to the codebase. This philosophy led to a fork that could explore new development paths, implementing features that may never be part of Redis, while maintaining full compatibility with the Redis protocol, modules, and scripts. keydb eng