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(lemmy-world.statuspage.io)
A community dedicated to fediverse news and discussion.
Fediverse is a portmanteau of "federation" and "universe".
Getting started on Fediverse;
A lot of those issues of 'multiple primaries' can be resolved with intelligent data types and actions. That is, if we have a notion of how the data is organized, a lot of decisions can be made a priori. Ones that can't can be read-only during a split.
Comment groups are mergeable sets. Any unique comment is a valid comment.
For any individual comment, any tombstone causes a comment to be unseeable (and ideally be deleted). Any edits are latest-wins.
A lot can be sorted out that way - enough to be usable. Some databases even support that on a db level.