nostr:npub1gzf2fm303rd3jtsatw8cvcyzajsgpdh4rtzx5zd45l6dcrtk3ktsqtng9e Redis is really useful for larger instances, but for smaller ones, they can def get by with the database.

The challenges that masto/pf have are not common, and tbh would be probably better served with a graph database but that's a toot for another day