Keydb: Eng

Start KeyDB:

./src/keydb-server /path/to/keydb.conf

Test with redis-cli-compatible client:

./src/keydb-cli PING

From an engineering ops perspective, KeyDB is designed as a literal drop-in replacement:

Migrating typically involves:

# Stop Redis, install keydb, point to same config
sudo systemctl stop redis
sudo apt install keydb  # or from source
sudo keydb-server /etc/redis/redis.conf

No application code changes required. That’s the killer feature. keydb eng

Unlike standard Redis, which often requires a proxy for TLS, KeyDB has native, multi-threaded TLS support. Critically, the TLS handshake runs on I/O threads, preventing the overhead from blocking the main execution thread. Start KeyDB:

To ensure high performance, we do not write one file per key. Instead, we use an append-only log structure similar to RDB/AOF but optimized for random reads. Test with redis-cli-compatible client:

active-replica yes