In theory something like a !gaming community could crop up on multiple large instances, especially during the mass exodus while instances are getting hammered with spikes in volume.

If that's the case, we'll have fragmented communities across instances. Is there any way besides subscribing to each of them to combine them into a sort of multi-reddit type aggregation? Or is this considered a temporary (albeit important to adoption) problem during the crazy stages?

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[–] AgentGoldfish@lemmy.world 10 points 1 year ago (4 children)

I can understand that desire, but think about this from a practical perspective. You are on lemmy.world, but someone else is on lemmy.ml. If you both use the same app that does this behind the scenes aggregation for you, you won't be able to tell which instance is holding which post. Let's say someone on sh.itjust.works posts on their instance of a community, but the app just makes it appear like it's in the community.

Now, if lemmy.world blocks sh.itjust.works and lemmy.ml does not, then you can't see that post, since it's blocked for you. But the person on lemmy.ml and on sh.itjust.works would be able to see it. This is a good example of solving a problem by create a dozen new ones.

Lemmy developers have been discussing how to address this: https://github.com/LemmyNet/lemmy/issues/818

There isn't a clear solution, since some communities have different names, so how would an app know to join them? Or would you join communities that had deliberately been split for various reasons?

[–] MasterBlaster@lemmy.world 3 points 1 year ago* (last edited 1 year ago) (1 children)

Clearly coordination and agreement between leaders is needed. I suggested something like that with a pseudo-instance of "@global", for example. However, it seems there is some resistance to the mere idea of globalizing certain popular communities, which I can understand.

Federation comes with its own set of problems, like replication, data volume, storage requirements, and massive overlap.

That last one affects user experience directly, and needs to be addressed. Maybe it will sort itself out, maybe not. If we have 10,000 servers, even 100 almost the same communities means quite a bit of work on the part of users just to decide which ones to join.

We are looking at the human equivalent of a system with an extremely fragmented disk, or database tables with indexes that end up doing table scans.

Periodic re-organization will be necessary to to maintain usability.

[–] KelsonV@lemmy.world 1 points 1 year ago

Having a global space defeats the point of federation, though, because now everyone depends on a central authority.

[–] vardogor@mander.xyz 2 points 1 year ago* (last edited 7 months ago)

[–] qtj@feddit.de 2 points 1 year ago (1 children)

I think a solution could be to allow communities to merge voluntarily if the mods of both agree to. It would only work with instances that aren't blocked anywere. But users that would be subscibed to one would automatically be subscibed to all the merged commuities as well and you could post to the merged commuity from any of the participating instances. That would have the advantage that if one instance fails the community would almost seamlessly continue on the other instances.

[–] KelsonV@lemmy.world 2 points 1 year ago

That would probably be the best way to do it. Let the community mods agree which others they're "bundled" with, make it part of the metadata about each community, and then when someone subscribes to Bob1, their home server gets the list of related communities and adds them to Bob2 and Bob3 as well (but not Bobs 4 through 256, which aren't on Bob1's list)

[–] Debo@lemmy.world 1 points 1 year ago

Oh I understand how it works and the PROBLEM is that me, the user, shouldn’t give a shit if lemmy.world blocks sh.it just.works because the two admins are mortal enemies. But right now, I have to, because I would lose the content if one blocks the other.

Also, when you have 10,000 servers and on each server someone created a “Technology” community on all of them, how will ANY of those communities get any traction or a concentrated user base? As a creator, I’d be cross posting on every Technology community in every server I could find. That’s going to serve to fracture the comments section, which is where all the value comes from anyway.