this post was submitted on 01 Jul 2023

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3840

Lemmy.world updated to 0.18.1-rc (lemmy.world)

submitted 2 years ago* (last edited 2 years ago) by ruud@lemmy.world to c/lemmyworld@lemmy.world

572 comments fedilink hide all child comments

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 @stanford@discuss.as200950.com and @sunaurus@lemm.ee 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 @sunaurus@lemm.ee 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 voilà. 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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[–] reblochon@lemmy.world 1 points 2 years ago

Thanks for your work!

[–] Techie@lemmy.world 1 points 2 years ago

Great work, thanks!

[–] vaanam@lemm.ee 1 points 2 years ago

Cool

[–] SulaymanF@lemmy.world 1 points 2 years 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 @sunaurus@lemm.ee 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 voilà. 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.

[–] GhostRunner@lemmy.world 1 points 2 years ago

Woo! Great work!

[–] SteelBeard@lemmy.world 1 points 2 years ago

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

[–] Arcidias@lemmy.world 1 points 2 years ago

Good job! 🎉🎉

[–] MrNemobody@lemmy.world 1 points 2 years ago

Could finally login back to my lemmy.world account on Jerboa. Thanks for all the work, Ruud!

[–] Woshimaraci@lemmy.world 1 points 2 years ago

Thx for all the hard work!

[–] DelvianSeek@lemmy.world 1 points 2 years ago

Well done! Know that your efforts are greatly appreciated. Thank you!

[–] Lem_Lemoncloak@lemmy.world 1 points 2 years ago

Bug I’m running into -

When my mobile browser (Firefox, iOS) language is set to something other than English, not content loads and I am unable to log in.

[–] dukethorion@lemmy.world 1 points 2 years ago (1 children)

Can't edit profile settings / info. Pushing Save does nothing.

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[–] free@lemmy.world 1 points 2 years ago

U peeps are awesome. 🙏🙇

[–] bigtuna@lemmy.world 1 points 2 years ago

Thank you!

[–] trouser_mouse@lemmy.world 1 points 2 years ago

Amazing work! Kids first, internet things later!

[–] phx@lemmy.world 1 points 2 years ago

Works with Jerboa again (yay).

Kinda makes sense that multiple containers might scale better. The actual processes within the container may have some limitations in terms of how well they thread etc.

[–] itsJoelleScott@lemmy.world 1 points 2 years ago

Thanks for all the work!! Now go enjoy the rest of your weekend 😋

[–] Ghostalmedia@lemmy.world 1 points 2 years ago

On a somewhat related note, how are you coping with the scaling from the Reddit migration?

[–] SORebellion@lemmy.world 1 points 2 years ago

Yay, thank you!

[–] sheetmysharts@lemmy.world 1 points 2 years ago

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

[–] CataclysmZA@lemmy.world 1 points 2 years ago

Posting this from Jerboa. I am grateful for the hard work!

[–] CataclysmZA@lemmy.world 1 points 2 years ago

Posting this from Jerboa! Thank you for the hard work.

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