this post was submitted on 01 Jul 2023

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Lemmy.World Announcements

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Lemmy.world updated to 0.18.1-rc (self.lemmyworld)

submitted 2 years ago* (last edited 2 years ago) by ruud to c/lemmyworld

480 comments fedilink hide all child comments

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 voilà. 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.

(page 7) 50 comments

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[–] root 2 points 2 years ago

Great work, and thank you for the thorough updates?

[–] solongaphasia 2 points 2 years ago

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

[–] Sigmatics 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

[–] [email protected] 2 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

[–] [email protected] 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.

[–] [email protected] 2 points 2 years 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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[–] sv1sjp 2 points 2 years ago

Thank you for your hard work!!

[–] kratoz29 2 points 2 years ago

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

[–] spasm01 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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[–] thisisdee 2 points 2 years ago

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

[–] oldgreg 2 points 2 years ago

🧌

[–] Takina_sOldPairTM 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.

[–] Teal 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.

[–] CataclysmZA 2 points 2 years ago

Posting this from Jerboa. I am grateful for the hard work!

[–] Jodilye 2 points 2 years ago

Love the update, all back up and running again :) I joined this morning after discovering this awesome Apollo replacement and was so disappointed that it was down already! Understand that the sudden surge must be huge, looking forward to seeing the data of amount of users gained by Lemmy!

Honestly praying this is the solution we all want and need!

[–] CataclysmZA 2 points 2 years ago

Posting this from Jerboa. I am grateful for the hard work!

[–] Ryumast3r 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!

[–] kratoz29 2 points 2 years ago

Seems that sometimes the hot algorithm gets messed up :/

[–] [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!

[–] lunarshot 2 points 2 years ago

Thank you for everything that you do!

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

Showing us the true value of horizontal instead of vertical scaling! Kubernetes when?

[–] Mangoguana 2 points 2 years ago

Quaint!

[–] LinksMasterSw0rd 2 points 2 years ago

Thanks so much for all your hard work, love Lemmy world! Enjoy the time with family!

[–] MarsAgainstVenus 2 points 2 years ago

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

[–] lunarshot 2 points 2 years ago

Thank you for everything that you do!

[–] throbbing_banjo 2 points 2 years ago

This runs quite smoothly for me as a Persistent Web App, thanks for your hard work!

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