Had to split post (because it’s loo long?), see comments.

url result status
https://lemmy.world/c/ultralight@lemmy.world shows up, up-to-date 🟢
https://sh.itjust.works/c/ultralight@lemmy.world shows up but all votes and comments missing 🟡
https://lemmy.one/c/ultralight@lemmy.world shows up, some votes missing 🟡
https://midwest.social/c/ultralight@lemmy.world couldnt_find_community 🔴
https://feddit.nl/c/ultralight@lemmy.world couldnt_find_community 🔴
https://lemmy.nz/c/ultralight@lemmy.world couldnt_find_community 🔴
https://sopuli.xyz/c/ultralight@lemmy.world couldnt_find_community 🔴
https://mander.xyz/c/ultralight@lemmy.world shows up, some votes missing 🟡
https://lemmy.dbzer0.com/c/ultralight@lemmy.world couldnt_find_community 🔴
https://lemm.ee/c/ultralight@lemmy.world shows up, some votes missing 🟡
https://vlemmy.net/c/ultralight@lemmy.world show up, all posts missing 🟡
https://feddit.de/c/ultralight@lemmy.world couldnt_find_community 🔴
https://lemmy.ca/c/ultralight@lemmy.world shows up, some votes missing 🟡
  • miles@lemmy.worldOP
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    1 year ago

    Aha, ok! With that in mind I searched some of the “red” status instances for communities containing “ultralight” and couldn’t find !ultralight@lemmy.world; so does this mean in order for users to be able to find my community from their instances, I (or someone else) needs to register for each instance and then subscribe?

    • terribleplan@lemmy.nrd.li
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      1 year ago

      Pretty much, yeah. This is why external discovery tools (like browse.feddit.de and others) are so important and useful. Also posing to any of the new community or community announcement/discovery meta communities. Also sidebars linking to other related communities like on that other site.

      • miles@lemmy.worldOP
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        1 year ago

        I see, so discovery happens out of band, so in order to find it someone has to already have found it. “Search All” is only searching what has already been found on this particular instance, and so the results can vary depending on where you are.

        • terribleplan@lemmy.nrd.li
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          1 year ago

          Exactly, your instance stores what you post (local) on it and what gets federated to it (cache, basically). You search those local and cached things. To do it some other way would basically man that either all instances somehow discover each other and send everything to each other all the time or your instance somehow discovers and searches all other instances when you do a search.

          There has been talk about something that should make things better as far as “couldnt_find_community” more or less auto-searching a remote community when you go to a /c/community@example.com sort of link so the experience is less jarring and doesn’t require you to know you have to do a search.

        • kukkurovaca@lemmy.blahaj.zone
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          1 year ago

          BTW, you can force the server to see a comment by searching for the URL of that content, but this obviously only works if you know the comment exists. I don’t think there’s a user-side way to trigger the server to look for contents en masse. Not sure if it’s something that the instance admin can configure.