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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

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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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[–] majorswitcher@lemmyfly.org 3 points 3 years ago (1 children)

Looking into the database, it contains many thousands of posts. I’m assuming this is stored in the local db for serving it to instance members. So when you open a post from instance B on instance A, A fetches post-data from B, stores it in A database, then serve the content from db A to the browser

[–] Averrin@lemmy.world 1 points 3 years ago

Yes, you are right. If this instance has members. A server will actively fetch "foreign" content and cache when this instance's user asks. But aside of top 10 servers, there is no profit of having more until they have a couple of dozens of users. If any server would have been able to "delegate" request handling to less busy servers, it will be a solution for this uneven load.