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] 1 points 2 years ago

Thank you for your hard work getting this working. It's much appreciated :)

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

Thank you for all your hard work running this instance and for keeping us posted!

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

I'm a reddit migration and love what I saw so far! Keep it up!

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

Great work! πŸ‘ glad to be on the newer release with lemmy.world

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

Cool beans, WefWef also seems to work now again :)

[–] [email protected] 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.

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

Congrats on figuring it out! I'm just wading into docker in a professional capacity so I admit some of it feels like magic to my traditional developer brain but glad it worked out.

[–] [email protected] 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!

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

This runs quite smoothly for me as a Persistent Web App, thanks for your hard work!

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

Thank you for al the work. Do you have a need or plans for community help at all? Outside of content moderation? Not quite sure how I could help but I do software for a living.

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

Woo! Great work!

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

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

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

Really nice, thanks for the joint effort!

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

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

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

U peeps are awesome. πŸ™πŸ™‡

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

Thx for all the hard work!

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

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

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

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

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

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

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[–] [email protected] 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 @[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 2 years ago

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

[–] [email protected] 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.

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

Awesome, Jerboa revived!

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

Good to see this for the Lemmy website. This will do a lot.

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

Awesome job! Already loving it here.

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

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

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