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How is lemmyworld so stable? (monero.house)

submitted 2 years ago by maltfield@monero.house to c/lemmyworld@lemmy.world

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At the time of writing, Lemmyworld has the second highest number of active users (compared to all lemmy instances)

https://lemmy.fediverse.observer/list

Also at the time of writing, Lemmyworld has >99% uptime.

By comparison, other lemmy instances with as many users as Lemmyworld keep going down.

What optimizations has Lemmyworld made to their hosting configuration that has made it more resilient than other instances' hosting configurations?

https://lemmy.ml/post/1221008

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[-] psychothumbs@lemmy.world 178 points 2 years ago

Looks like the guy who runs it runs a lot of fediverse servers, I guess he knows what he's doing: https://lemmy.world/u/ruud

[-] kiwifoxtrot@lemmy.world 100 points 2 years ago

@ruud runs a top 10 mastodon server.

[-] maltfield@monero.house 74 points 2 years ago

Yes. And I'm asking him to share his tweaks here with the community so that others instance admins can shore-up their servers :)

[-] PriorProject@lemmy.world 107 points 2 years ago

Fwiw, he has been providing quite a lot of transparency in his posts to this community. He's shared his hardware config in detail, posted maintenance posts with brief descriptions of what he's doing, and replied to comments around specific config tweaks. I haven't catalogued a list of links, but I've seen him do all of these things in the last 48h. It's easy to imagine that all these things could be compiled in real time into a how-to, but it's a pretty big deal just to keep the lights on right now, and pretty difficult to understand whether tweaks that helped your setup are generally applicable or only situationally useful and happen to perform well for your specific setup.

I'm sure we will see more high-performance Lemmy guides in the future, but at this point no one has more than 36h of experience with high-performance Lemmy. Give them a minute to catch up.

[-] Kris@lemmy.world 9 points 2 years ago

More like throw more $$$ at the problem has been the solution.

[-] MetaCubed@lemmy.world 12 points 1 year ago

Saying this without any knowledge of lemmy's backend... Large, high user count databases with (very quickly) growing demand take more power than generally expected. At a certain point, throwing money at the problem is the solution.

[-] 676@lemmy.ca 1 points 1 year ago

I respect anyone working with any amount of databases. Just my selfhosted operation made me realize how fucking complicated and stupid but nessasary databases are