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How does Lemmy/Mastodon/Fediverse store videos and images? (programming.dev)

submitted 1 year ago by Blurker@programming.dev to c/asklemmy@lemmy.ml

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As I was browsing lemmy and the fediverse at large, this question kept popping into my head.

Since multimedia files have a much bigger footprint than raw text, it made me feel worried since as time goes, massive resources will be needed to keep up with the big data coming in.

I do wonder if the instances have taken the route of the cloud and just decided to put all of it in something like AWS S3? Or maybe they use self hosted storage with something like minio for object storage?

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[–] laenurd@lemmy.lemist.de 4 points 1 year ago* (last edited 1 year ago) (6 children)

Everything. It does some re-encoding when it retrieves content from other instances and you can set limits for pictrs (the software Lemmy uses to host media) regarding file sizes etc.

Edit: I was partially wrong about what is cached, see my original comment

[–] Skyhighatrist@lemmy.ml 2 points 1 year ago (3 children)

When I was looking into hosting my own instance I thought I saw an option to disable media file replication entirely so that they would always have to be fetched from their home instance.

[–] laenurd@lemmy.lemist.de 2 points 1 year ago (2 children)

That would be great to know, any chance you remember where you read that?

[–] Skyhighatrist@lemmy.ml 2 points 1 year ago

No, but I bet I could find it again if I hadn't just imagined it and made it up for this comment. Give me a few.

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