Well, I run an instance, too. It’s not big at all, but I was thinking about the issue of scaling, too. You can only scale up a single server so much…
But on the other hand, Lemmy is still young. We’ll find solutions to that problem.
Also, interesting article. I only took a glance at it, but having only two tables kind of suggests that Reddit is using a relational database. So, if they’re not “normalizing” everything, why not use a completely different paradigm, like what MogoDB etc. has?