this post was submitted on 17 Jun 2023
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Lemmy

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Everything about Lemmy; bugs, gripes, praises, and advocacy.

For discussion about the lemmy.ml instance, go to !meta@lemmy.ml.

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How can Lemmy scale? (sh.itjust.works)
submitted 1 year ago by HelloLemmySup@sh.itjust.works to c/lemmy@lemmy.ml
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I like the idea with Lemmy/kbin and the fediverse but theres something I dont understand perhaps.

If in the future Lemmy is very popular and someone wants to add their own server and federate with everyone then from that moment that new instance will get all new comments, posts, etc. from all other instances its federated with and must save them in its db. This means if Lemmy gets popular forget about little guys helping out spread the “load” because every intance still must take and save all new data. Thats a lot of processing power and storage. How can this work? I see in the future only a few instances will survive.

If somehow each instance was a node and only took care of its posts and comments and forward them to others upon request I can understand scaling but this is not how it works AFAIK. Another way would be with consensus algorithms where a node saves more thsn its own data but still not all.

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[–] HelloLemmySup@sh.itjust.works 1 points 1 year ago

Ok thats a bit better. I didnt know about that detail.

Still that only moves the problem to the future. As I understand you should pick a community at random to sign up and then from that community access the rest. Then its a matter of time that enough users from StarTrek that have signed up there subscribe to enough big communities for the problem to appear, no?