this post was submitted on 12 Jun 2023
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[Done] Server will be migrated (More power!) (lemmy.world)
submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]
385 comments fedilink hide all child comments
 

So after we've extended the virtual cloud server twice, we're at the max for the current configuration. And with this crazy growth (almost 12k users!!) even now the server is more and more reaching capacity.

Therefore I decided to order a dedicated server. Same one as used for mastodon.world.

So the bad news... we will need some downtime. Hopefully, not too much. I will prepare the new server, copy (rsync) stuff over, stop Lemmy, do last rsync and change the DNS. If all goes well it would take maybe 10 minutes downtime, 30 at most. (With mastodon.world it took 20 minutes, mainly because of a typo :-) )

For those who would like to donate, to cover server costs, you can do so at our OpenCollective or Patreon

Thanks!

Update The server was migrated. It took around 4 minutes downtime. For those who asked, it now uses a dedicated server with a AMD EPYC 7502P 32 Cores "Rome" CPU and 128GB RAM. Should be enough for now.

I will be tuning the database a bit, so that should give some extra seconds of downtime, but just refresh and it's back. After that I'll investigate further to the cause of the slow posting. Thanks @[email protected] for assisting with that.

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[–] [email protected] 7 points 1 year ago (1 children)

Worth noting that typical app scaling does not scale linearly, and hardware caps out at some point (with diminishing returns up to that point) - federation will help with that much cheaper where normally a company would just have to throw more money at more servers themselves :)

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago) (1 children)

Yup. You don’t have to explain that to me. It’s funny when folks assume:

if I double the servers, I’ll get twice the throughput!

[–] [email protected] 2 points 1 year ago

Just throw servers at it! It'll magically sort itself out!