Discord Indexes Trillions of Messages(discord.com)
38 pointsby todsacerdoti9 months ago5 comments
  • cosmosgenius9 months ago
    Does anyone know a low memory disk based search solution for home usage? By low memory i mean in the range of 256MB maybe 1GB. I am almost convinced of mellisearch but still looking. Elasticsearch would have been perfect but the memory usage is too high for the server i have.

    Or should i go with a custom solution? FYI the search is highly dynamic ranging from full books, medical records, chat messages to movie/shopping/recipe catalogue.

    • snikolaev9 months ago
      Manticore Search + Columnar Storage
  • lysace9 months ago
    LLM training input treasure? Signal-to-noise ratio is going to be lowish though.
    • YetAnotherNick9 months ago
      I think discord's data has insane value because it has real time reasoning steps much more than any big social media. Obviously you might want to filter out low information messages like "Hello" but model based filtering for signal is already solved more or less.

      Discord has lot of very technical channels like the one which solved BB(5) after decades of research.

      • leo-notte9 months ago
        Agreed. discord has a unique structure with threaded conversations, context carryover, and back and forth reasoning that you don't get from places like twitter or even reddit. it's especially useful for training models on collaborative problem solving or exploratory dialogue. filtering is a challenge but definitely solvable with current tools.
    • throwaway421679 months ago
      [flagged]
    • DrillShopper9 months ago
      If you want to train a groomer then Discord messages are the way to do it.
      • lithos9 months ago
        If we're acting like Redditors: "you can just block Minecraft Discords, and remove most of the grooming"
  • rkwasny9 months ago
    Whoha, that is definitely expensive to run.
  • coldblues9 months ago
    Indexes trillions of messages and refuses to delete any of them and comply with GDPR. Deleting your account DOES NOT delete your messages, they remain on the platform for an indefinite period of time. The only way to get them to delete your messages is to go through this process (https://discordomicon.github.io/removal/overview/) and you're still likely to go through several support tickets before they comply with your request.
  • JackSlateur9 months ago
    Tldr: they used a single massive elasticsearch cluster. Now, they are using multiple elasticsearch cluster, running in k8s. And redis has been replaced by pubsub (GCP).

    Since sounds like expensives design but ok, I guess