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 voilร . 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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[โ€“] Panda@lemmy.world 4 points 1 year ago

Thanks so much for everything!

[โ€“] anthimatter@lemmy.world 4 points 1 year ago

Even using Tor, the site load-times seem a lot snappier. Exciting times.

[โ€“] Bushwhack@lemmy.world 4 points 1 year ago

I survived!

[โ€“] mintiefresh@lemmy.world 4 points 1 year ago

We're alive!!!

Thank you :)

[โ€“] Richie@lemmy.world 4 points 1 year ago (1 children)

Awesome! Loading issues are still the bane of Lemmy's existence though, or at least it is for me and my experience with Lemmy. Everything just loads so slow. Sorting is still broken as well. Communities that I KNOW that are active just show as blank for me no matter what I sort by.

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[โ€“] matt@lemmy.world 4 points 1 year ago

Also chipping in to give my appreciation, really enjoying Lemmy through lemmy.world!

[โ€“] DelvianSeek@lemmy.world 4 points 1 year ago

Just want to say thank you. Your hard work is very much appreciated.

[โ€“] AlmightySnoo@lemmy.world 4 points 1 year ago

Not sure what fixed it (I'm sure though on my side I did nothing since the last failed login) but the login form finally works again!

[โ€“] albertye@lemmy.world 4 points 1 year ago* (last edited 1 year ago) (1 children)

I can't login from my main browser even if I clear the cache and cookies, if I use other browser it works

Edit: I fixed it just by changing my browser language to English and restarting it, hope this is useful for someone.

Also, thanks to Ruud and team for the hard work, everything seems to work really well and fast.

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[โ€“] Rooki@lemmy.world 4 points 1 year ago (1 children)

Is there a issue with the api? ( Because the api wrapper lemmy-js-client doesnt work on login. ) I tried it yesterday but not today yet. I will test it when i can :)

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[โ€“] GlockenGold@lemmy.world 4 points 1 year ago

Excellent news! I can browse Lemmy on my phone again, many thanks to you @Ruud and everyone else who worked on this!

[โ€“] kazerniel@lemmy.world 4 points 1 year ago

It keeps logging me out, plus when I log in, alarmingly other users' profile names flash in the top right corner for a second.

[โ€“] danielfh@lemmy.world 4 points 1 year ago

Thank you!!

[โ€“] illbit@lemmy.world 3 points 1 year ago

Thanks for all the time and work you put towards making this community better! It's really appreciated!

[โ€“] nucleative@lemmy.world 3 points 1 year ago

Working well here and can use Jerboa again. Although wefwef is really growing on me!

Edit: couldn't post from Jerboa, got network error. But wefwef worked.

[โ€“] Olap@lemmy.world 3 points 1 year ago

Let us know where donations can go, suspect a stacked docker-compose will reach limits very quickly

[โ€“] srasmus@lemmy.world 3 points 1 year ago

Excellent work!

[โ€“] illbit@lemmy.world 3 points 1 year ago

Thanks for all the time and work you put towards making this community better! It's really appreciated!

[โ€“] Olap@lemmy.world 3 points 1 year ago

Let us know where donations can go, suspect a stacked docker-compose will reach limits very quickly

Logging in works now! Also got 2FA enabled without issues.

[โ€“] BitOneZero@lemmy.world 3 points 1 year ago (1 children)

we created extra lemmy containers to spread the load. (And extra lemmy-ui containers).

Is Rust HTTP server running into thread limits? database connection pooling? All kinds of internal questions bout that solution.

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[โ€“] mtnwolf@lemmy.world 3 points 1 year ago* (last edited 1 year ago) (1 children)

Half the time when I comment, it just spins. :( Edit: Apparently when I comment it posts, but just shows spinning until I manually refresh. Must be on my end.

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[โ€“] ami@lemmy.world 3 points 1 year ago

Amazing work! It seems much more performant now, everything seems to be loading faster.

[โ€“] AlmightySnoo@lemmy.world 3 points 1 year ago (1 children)

obviously not critical, but it looks like there's a small sidebar bug (or feature?) that puts the pic near the instance name if it is the first thing in its description?

I think that's a feature. But not 100% sure ๐Ÿ˜…
But honestly, I like the look. If it is a bug, it should become a feature ๐Ÿคฃ

0.18 looks a lot better. Far better use of screen real estate on PCs.

Lag is still very prevalent though. Page loading, upvote delay. It's frustrating.

Live comments (like on new Reddit) does not seem to be working on 0.18, so I have to manually refresh the page each time. That also resets the comment sort to Hot, causing further annoyance.

[โ€“] feitingen@lemmy.world 3 points 1 year ago

It seems there is still some performance issues.

Maybe consider a webcache like varnish to take some of the load off?

[โ€“] DSquared@lemmy.world 3 points 1 year ago

Hurray! Works well for me so far.

[โ€“] Calzoner@lemmy.world 3 points 1 year ago

This is awesome. Was a fun read too. Super cool to see what was going on behind the scenes.

[โ€“] mtnwolf@lemmy.world 3 points 1 year ago

Looking good ๐Ÿ‘

[โ€“] ChriskiV@lemmy.world 3 points 1 year ago

Signed into Jerboa! Thanks devs!

[โ€“] Never_Sm1le@sopuli.xyz 3 points 1 year ago (4 children)

Tried to login but nothing happen except a "?" was added into the link. Tried delete data, cookie, etc but the probelm still persist. Comment from other instance

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