this post was submitted on 10 Jul 2023
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I'm interested in possibly hosting my own Lemmy instance - just for my own account. I was thinking of hosting it on Raspberry Pi (possibly the 1GB Pi 4 B), but I couldn't find much for definitive information on what the hardware requirements would be for such an instance to know if this is even possible. How much storage is required? Is the Pi 4 CPU powerful enough? How much memory?

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[–] state_electrician@discuss.tchncs.de 1 points 1 year ago (1 children)

It would put the more popular instances under enormous stress, if they had to serve every single subscriber from any other instance. This would also kill the user experience. It's much better to serve everything locally, so that an instance admin can scale their resources to the number of users on their instance, a number they know.

I actually am interested to see how the fediverse's concept of federation scales out, as numbers keep growing. Even with just instances syncing between each other, I feel that this might be too much at a certain point.

[–] Kalcifer@lemmy.world 0 points 1 year ago (1 children)

It would put the more popular instances under enormous stress, if they had to serve every single subscriber from any other instance.

From what I understand, media (images, videos, etc.) is not cached. Does that not mean that, in the worst case where every post contained an image, the instance would be serving every subscriber, anyways?

For binary data that is correct, yes. But that is stuff an instance admin could choose to hide behind a CDN, as it's easily optimized and cached.