this post was submitted on 01 Jul 2023
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Lemmy.World Announcements

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Looks like it works.

Edit still see some performance issues. Needs more troubleshooting

Update: Registrations re-opened We encountered a bug where people could not log in, see https://github.com/LemmyNet/lemmy/issues/3422#issuecomment-1616112264 . As a workaround we opened registrations.

Thanks

First of all, I would like to thank the Lemmy.world team and the 2 admins of other servers @[email protected] and @[email protected] for their help! We did some thorough troubleshooting to get this working!

The upgrade

The upgrade itself isn't too hard. Create a backup, and then change the image names in the docker-compose.yml and restart.

But, like the first 2 tries, after a few minutes the site started getting slow until it stopped responding. Then the troubleshooting started.

The solutions

What I had noticed previously, is that the lemmy container could reach around 1500% CPU usage, above that the site got slow. Which is weird, because the server has 64 threads, so 6400% should be the max. So we tried what @[email protected] had suggested before: we created extra lemmy containers to spread the load. (And extra lemmy-ui containers). And used nginx to load balance between them.

Et voilΓ . That seems to work.

Also, as suggested by him, we start the lemmy containers with the scheduler disabled, and have 1 extra lemmy running with the scheduler enabled, unused for other stuff.

There will be room for improvement, and probably new bugs, but we're very happy lemmy.world is now at 0.18.1-rc. This fixes a lot of bugs.

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

looks like commenting got faster too?

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

Thank you for your hard work.

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

Would you mind sharing your docker-compose.yml file (sanitized, of course)? I am trying to spin up an instance on Google Cloud.

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

YEAH BABEYYY

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

Hey ruud. Is there Patreon we can sign up to help with the hardware upgrades/upkeep?

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

lemmy.world finally fast as fuck and the login form seems to work again, thanks for all your hard work!

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

Waiting for the part where this instance moves to a k8s cluster

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

Thanks a lot, you’re great

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

Browser still not working for me. The interface loads but there's no content. Also can't login on browser, after entering user and password and clicking login nothing happens.

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

Are you hosting on AWS?

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

Still seeing a lot of 504s, and this is at a time where the site shouldn't be super busy

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

Thank you for your hard work!!

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

thank you for upgrading! I much prefer the new URL structure of this version

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

Thanks for the monster effort on the update, these things are never trivial.

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

Thank you! Your hard work is truly appreciated.

This whole upgrade process reminded me to check the patreon donation stuff for y'all.

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

Thanks for your work!

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

Thank you for the work and all the transparency Ruud, glad to have you as our Admin.

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

Nice they finally updated after forever lol j/k wefwef and some other third-party said are getting rate limited. Wefwef is unusable

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

Great work, thanks!

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

I was having trouble earlier but now able to log in just fine on browser. Voting on posts doesn't seem to be working for me on desktop or apps. In apps I keep seeing error notices about votes not going through and desktop browser (Firefox) doesn't work but there's no notification there. Anyone else? Maybe everything needs a little time to sync up.

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

Woo! Great work!

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

What I had noticed previously, is that the lemmy container could reach around 1500% CPU usage, above that the site got slow. Which is weird, because the server has 64 threads, so 6400% should be the max. So we tried what @[email protected] had suggested before: we created extra lemmy containers to spread the load. (And extra lemmy-ui containers). And used nginx to load balance between them.

Et voilΓ . That seems to work.

They're on virtual tin and didn’t configure properly. There are limits in the flat files you need to change by hand to get it to scale properly, it’s tricky.

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

Amazing work! Kids first, internet things later!

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

Congratulations on the upgrade - thanks for hanging in there for the community!

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

Really nice, thanks for the joint effort!

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