Configuration parameters can be added to the command redis-server while starting, which is quite useful when deploying multiple instances on a single host. We can have a single configuration file of common configuration parameters used by multiple instances on the same host. Meanwhile, the unique configuration parameters of each instance can be passed in the command line on startup. This way, the cost of maintaining multiple configuration files is eliminated, and instances can be distinguished easily via ps or other system commands.
In addition, you can manage your Redis instance using process management tools such as systemd, supervisord, or Monit, which can also prevent you from messing up when you deploy multiple instances ...
