Usage: ./keydb-server [/path/to/keydb.conf] [options] [-]
       ./keydb-server - (read config from stdin)
       ./keydb-server -v or --version
       ./keydb-server -h or --help
       ./keydb-server --test-memory <megabytes>

Examples:
       ./keydb-server (run the server with default conf)
       ./keydb-server /etc/keydb/6379.conf
       ./keydb-server --port 7777
       ./keydb-server --port 7777 --replicaof 127.0.0.1 8888
       ./keydb-server /etc/mykeydb.conf --loglevel verbose -
       ./keydb-server /etc/mykeydb.conf --loglevel verbose

Sentinel mode:
       ./keydb-server /etc/sentinel.conf --sentinel