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] 2 points 1 year ago

U peeps are awesome. πŸ™πŸ™‡

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

Thank you so much!

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

I was having trouble earlier but now able to log in just fine on browser. Voting on posts doesn't seem to be working for me on desktop or apps. In apps I keep seeing error notices about votes not going through and desktop browser (Firefox) doesn't work but there's no notification there. Anyone else? Maybe everything needs a little time to sync up.

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

Congratulations! Works perfectly for me, thank you! πŸ€™

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

How beautiful and cute the new lemmy world looks. thanks boss.

Que bonito y lindo se ve el nuevo lemmy world. gracias jefe.

[–] [email protected] 2 points 1 year 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.

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

What a breath of fresh air eh

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

Great work, and thank you for the thorough updates?

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

Thank you for your hard work.

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

Waiting for the part where this instance moves to a k8s cluster

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

looks like commenting got faster too?

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

❀️

[–] [email protected] 2 points 1 year 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

[–] [email protected] 2 points 1 year ago* (last edited 1 year 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.

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

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

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[–] [email protected] 2 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.

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

This is really cool that this gets shared. Thanks for all of the info!

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

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

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

Thanks for all the hard work and documentation!

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

Thanks for all your work! Love the new look and it’s working great now

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

Does browsing with Incognito/Private mode opens up new bugs, or does the refreshing thing kept the same principle? I should be stayed as logged on, but for some reason - after this update - whenever I open a new private tab from the tab I'm logged on I am indicated as not logged in.

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

Still seeing a lot of 504s, and this is at a time where the site shouldn't be super busy

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

YEAH BABEYYY

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

thank you for upgrading! I much prefer the new URL structure of this version

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

Are you hosting on AWS?

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

thank u for letting us know what happening behind the scene. Me myself is a sysadmin and really love to read story about scaling up servers and it actually works! Once again. Thank you.

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