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 2 years ago

Thanks for your time and effort! After the kids have gone to bed, grab yourself a beer and put your feet up!

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

Thank you for everything that you do!

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

Thank you for everything that you do!

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

Thank you! I’m hoping this solves a lot of the issues!

[–] [email protected] 2 points 2 years ago (2 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.

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[–] [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.

[–] [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.

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

Quick everyone show Appreciation before they notice

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

Looks like everything is working well so far. Browsing from Wefwef and Liftoff.

Thank you!

[–] [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?

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

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

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

Much love for your work

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

Thank you for all you do for the interwebs, fellow dad.

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

Thanks dude

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

Thanks ruud

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

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

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

YEAH BABEYYY

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

Thanks for all the hard work and documentation!

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

Is the sort algorithm still messed up? In other instances it shows more recent posts in the hot section.

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

Are you hosting on AWS?

[–] [email protected] 2 points 2 years 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.

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

Love the teamwork

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

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

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

thank you for all you’re doing on this. godspeed

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