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

Clearing the cache seems to have fixed the login bug.

There is another big going on where I'm seemingly logged out all the time though.

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

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

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

Love the update, all back up and running again :) I joined this morning after discovering this awesome Apollo replacement and was so disappointed that it was down already! Understand that the sudden surge must be huge, looking forward to seeing the data of amount of users gained by Lemmy!

Honestly praying this is the solution we all want and need!

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

Great work, thanks!

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

Good job! πŸŽ‰πŸŽ‰

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

Tried to comment "looking good" but can't seem to comment. Getting a timeout.

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

Amazing work! Kids first, internet things later!

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

Posting this from Jerboa! Thank you for the hard 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.

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

You guys are awesome!! Thanks

[–] Coreidan@lemmy.world 1 points 2 years ago (3 children)

Not gonna lie. This service is way too slow and riddled with way too many bugs. Posting comments is a huge chore as half the time there is some β€œerror”. Comments don’t load half the time.

No one is going to switch from Reddit to this service if it’s going to always be this miserable of an experience. I’d rather bang my head against the wall.

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[–] Prasaedonium@lemmy.world 1 points 2 years ago
[–] static@kbin.social 1 points 2 years ago* (last edited 2 years ago) (1 children)

Does it still sync with kbin.social?
00:35 CET / 22:35 UTC

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[–] thingsiplay@kbin.social 1 points 2 years ago

@ruud Thank you for the work you guys are doing. Without you, we wouldn't have an organized place to go after Reddit and Twitter.

[–] Lanusensei@kbin.social 1 points 2 years ago

So I can't login and the reset passwork button doesnt seem to do anything πŸ’€

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

Thanks for all the work!! Now go enjoy the rest of your weekend πŸ˜‹

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

U peeps are awesome. πŸ™πŸ™‡

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

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

[–] 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!

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

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

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

Really nice, thanks for the joint effort!

[–] 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 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.

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

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

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

Awesome job! Already loving it here.

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

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.

[–] 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.

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

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.

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

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

[–] 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.

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

Thank you so much for doing this! The having an instance this big really made the difference for leaving reddit. I really missed jerboa and am glad to have it back as a client.

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