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Are all these thousands of lemmy servers useless? (lemmy.world)

submitted 3 years ago* (last edited 3 years ago) by Averrin@lemmy.world to c/selfhosted@lemmy.world

162 comments fedilink hide all child comments

Correct me if I'm wrong. I read ActivityPub standards and dug a little into lemmy sources to understand how federation works. And I'm a bit disappointed. Every server just has a cache and the ability to fetch something from another known server. So if you start your own instance, there is no profit for the whole network until you have a significant piece of auditory (e.g. private instances or servers with no users). Are there any "balancers" to utilize these empty instances? Should we promote (or create in the first place) a way how to passively help lemmy with such fast growth?

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[–] Azzu@feddit.de 7 points 3 years ago

To expand, every user has their custom set of content that they want to see, which needs to be queried from the database. Mainly their subscriptions, those will rarely be the same between any two users, and they need to be aggregated according to the sorting method the user wants. Or other personal things, like every user's messages/replies/notifications/settings.