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 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€“] [email protected] 3 points 2 years ago

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

[โ€“] [email protected] 3 points 2 years ago

Excellent work!

[โ€“] [email protected] 3 points 2 years ago

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

[โ€“] [email protected] 3 points 2 years ago

Hurray! Works well for me so far.

[โ€“] [email protected] 3 points 2 years ago

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

[โ€“] [email protected] 3 points 2 years ago

Seems to work good enough!

[โ€“] [email protected] 3 points 2 years ago

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

[โ€“] [email protected] 3 points 2 years 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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[โ€“] [email protected] 3 points 2 years ago

Thanks for getting the update out!

Definitely weird that it was 1500 instead of some power of 2*100!

Also, when we finally get a 128 thread machine just think of the meme potential!

[โ€“] [email protected] 3 points 2 years ago
[โ€“] [email protected] 2 points 2 years ago
[โ€“] [email protected] 2 points 2 years ago

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

[โ€“] [email protected] 2 points 2 years ago

YAY! Looks like federation from lemmy.world is working a heck of a lot better now with my instance!

[โ€“] [email protected] 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.

[โ€“] can 2 points 2 years ago (1 children)

What a breath of fresh air eh

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[โ€“] [email protected] 2 points 2 years ago

Will confirm at least for me I'm no longer having any issues.

Thank you for all your hard work!

[โ€“] [email protected] 2 points 2 years ago

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

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

[โ€“] [email protected] 2 points 2 years 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.

[โ€“] [email protected] 2 points 2 years ago

Congratulations! Works perfectly for me, thank you! ๐Ÿค™

[โ€“] [email protected] 2 points 2 years ago

Thank you for everything that you do!

[โ€“] [email protected] 2 points 2 years ago

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

[โ€“] [email protected] 2 points 2 years ago

Much love for your work

[โ€“] [email protected] 2 points 2 years ago

U peeps are awesome. ๐Ÿ™๐Ÿ™‡

[โ€“] [email protected] 2 points 2 years ago

Thanks for being both informative and open about this issue. Hope it works out.

Edit: The first two versions of this post didn't seem to send: spinning post button. Maybe it's not fixed or it's struggling?

[โ€“] [email protected] 2 points 2 years ago

Great work, and thank you for the thorough updates?

[โ€“] [email protected] 2 points 2 years ago

Yay, i could finally login. Thank you for the great work and thank you for keeping us updated!

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