Let’s say we have lemmy instances A, B, C.

alice from A makes a post “Hello, world” to B. What happens? How is it processed on servers A, B, C and how do users from A, B, C receive her post?

  • Zak@lemmy.world
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    12 days ago

    They don’t duplicate the database in a technical sense, but when things go right, they each have a copy of the same post and comment text, and the same votes.

      • Zak@lemmy.world
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        12 days ago

        Correct. Each server that shows the post to its users stores a copy of the post. It does not necessarily store attached media (IIRC Mastodon usually does and Lemmy usually hotlinks media).