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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[–] Calzoner@lemmy.world 3 points 2 years ago

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

[–] AlmightySnoo@lemmy.world 3 points 2 years 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 πŸ˜…
But honestly, I like the look. If it is a bug, it should become a feature 🀣

[–] Never_Sm1le@sopuli.xyz 3 points 2 years ago (1 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

[–] stanford@discuss.as200950.com 2 points 2 years ago* (last edited 2 years ago) (1 children)

Which browser are you using?

You tried the workaround mentioned in https://lemmy.world/comment/705707
It is actually about a different issue but it still might be worth a try.

[–] Never_Sm1le@sopuli.xyz 2 points 2 years ago (1 children)

Tried and it's still not allow me to log in, on both Chrome and Firefox. Guess I will wait a few days

[–] stanford@discuss.as200950.com 3 points 2 years ago (1 children)

Seems to be really similar to the issue mentioned here: https://lemmy.world/comment/706146

Otherwise, let's hope that we can fix the last issues tomorrow 🀞

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[–] kazerniel@lemmy.world 3 points 2 years 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.

[–] Guster@lemmy.world 3 points 2 years ago

Nice work :)

[–] illbit@lemmy.world 3 points 2 years ago

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

[–] solidgrue@lemmy.world 3 points 2 years ago

Its been pretty snappy for me all afternoon! No errors to speak of.

Nice work!

[–] Dewa@lemmy.world 3 points 2 years ago

πŸ’― πŸ’― πŸ’― πŸ’― πŸ’― πŸ’― πŸ’― πŸ’― πŸ’― πŸ’―

[–] 00Lemming@lemmy.world 3 points 2 years ago

πŸ™Œ Great work team!!!

[–] mtnwolf@lemmy.world 3 points 2 years ago

Looking good πŸ‘

[–] alm42@lemmy.world 3 points 2 years ago

Thanks a lot, you’re great

[–] MKBandit@lemmy.world 3 points 2 years ago

Quick everyone show Appreciation before they notice

[–] Olap@lemmy.world 3 points 2 years ago

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

[–] Olap@lemmy.world 3 points 2 years ago

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

[–] feitingen@lemmy.world 3 points 2 years ago

It seems there is still some performance issues.

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

[–] KD_14@lemmy.world 2 points 2 years ago

Are you hosting on AWS?

[–] kratoz29@lemmy.world 2 points 2 years ago

Seems that sometimes the hot algorithm gets messed up :/

[–] FinalBoy1975@lemmy.world 2 points 2 years ago (1 children)

You know, this is a nice post because now I understand what was happening to me as a user. Thanks for confirming that I am not insane! Well, maybe I'm insane, but what I was trying to do and couldn't was real, not something I was doing wrong. Also, thanks for updating the stuff that makes it work.

[–] can@sh.itjust.works 2 points 2 years ago (1 children)

What a breath of fresh air eh

[–] FinalBoy1975@lemmy.world 2 points 2 years ago

It's nice, yes. I really hope people catch on to these things about transparency. The aren't seeming to, but maybe they will and we'll live in a better world.

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

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

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[–] oldgreg@lemmy.world 2 points 2 years ago
[–] JoMiran@lemmy.world 2 points 2 years 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.

[–] ruud@lemmy.world 2 points 2 years ago

Sorry hadn’t seen the message. Still interested?

[–] spasm01@lemmy.world 2 points 2 years ago (4 children)

I cannot see my subscriptions, not sure if its me or what. On Jerboa 0.34

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[–] Dude1324@lemmy.world 2 points 2 years ago

❀️

[–] AlmightySnoo@lemmy.world 2 points 2 years ago

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

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