this post was submitted on 17 Jun 2023
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This could also be the gateway into instance transference. If the instances are more in-sync, it will be easier to transfer either a user account or a community.
Indeed, does it not make sense in a fediverse where you can forward or change your account to another instance a community, be it called magazine or lemmy can change instance as well.
It would also be a protection.
Already now we are seeing some instances of lemmy's / magazines growing larger than others e.g. selfhosted on lemmy.world vs lemmy.ml
Image in a year time if the largest of the communities would suddenly drop out (database corruption, server takedown, admin issue) again all the knowledge / posts are again lost and difficult to recover.
Or does it already work that way and I'm still not really grasping this hole fediverse thing?
My understanding is that if an instance suddenly dies, all the federated instances that subscribe to its communities will still have the text content because they store copies locally. So knowledge should not just go away. Media is a different story though.
I think new posts/comments in those communities would then not federate at all anymore since the host instance would not acknowledge them. So the communities turn into isolated local ones.
If the host instance comes back and the communities are re-created, theyโll be empty on the host instance but I think other instances wonโt delete the old content unless explicitly requested.
How is this scalable and sustainable? If every instance caches every other instance then it'll blow disk usage out of the water.