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?

13 points

Pi4 is powerful enough, barely. 1GB is too low, is there a 1GB Pi4? Thought it was 2GB min? Think recommendation is 4GB min, 8 better.

Storage is the real issue, it takes a lot a day, but it’s all based on unique communities subscribed on the server, so if you have 4 accounts all looking at the same 8 communities it’s the same as 1 guy looking at those 8 communities.

4GB/day for a lot of communities, obviously less for less.

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7 points

My lemmy instance is hosted on a 1GB vps with no problem. Even with a few other services on the same VPS.

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0 points

https://lemmy.click/post/82237

I guess you can it’s just going to be tight, but could work with 1 user.

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4 points

There was a 1GB model at launch. The Pi foundation discontinued it when they dropped the price of the 2GB model.

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11 points

My biggest concern with hosting it on a Pi is storage. SD cards are not made for write-heavy applications like Lemmy. If you want to host it on a Pi, I suggest adding a real hard drive over USB and configure Lemmy to use that for storage.

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2 points

While I agree, it seems like OP only wants to house his account on his instance, and be federated so he can browse externally

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8 points

I understand that, but his instance will get all the posts and comments he subscribes to, which will be written to the database every few minutes.

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1 point

Please correct me if I am wrong, but this feels like a flaw with how Lemmy (perhaps other fediverse apps as well, I’m not sure) is designed. Why do I need to store all posts made to a community that one of the users on my instance subscribes to? Would it not be better to simply store my user’s posts, and comments, and the posts made to any communities hosted on my instance? Why do I need to store information from other instances, and users?

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1 point

Oh, my misunderstanding. I didn’t realize that would be written to his own db like that

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On my $5 linode server with 1 gigabyte of ram and 1 CPU core, it runs okay. Storage will be my biggest issue, swap is always full, and memory usage is about 70%

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8 points

I’m not sure if it’s still valid, but Oracle Cloud Infrastructure (OCI) had a 4 vCPU, 24 GB RAM, 200 GB HDD free tier. No costs, ever! You could sign up there and setup an even bigger instance.

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6 points
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Ever? That sounds too good to be true. Especially with that much RAM.

-edit-

Oh wow, I see their always free tier and it’s true. Impressive!

https://www.oracle.com/cloud/free/#always-free

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8 points

Their free tier is prone to being shut down without warning, though.

It kinda is too good to be true.

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3 points

True, but for playing around with lemmy and doing some test’s it’s ideal - and it’s free! In case you are serious about hosting a lemmy instance, there should be at least some sort of backup/ disaster recovery strategy in place.

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3 points

I’ve got a Vultr VPS with 1GB of ram with just Lemmy and a reverse proxy. RAM usage is right below 50% most of the time. I never looked when I first spun it up, so no idea how quickly usage is going up, or if it is going up at all.

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