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

submitted 1 year ago* (last edited 1 year 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.

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[–] Squorlple 12 points 1 year ago* (last edited 1 year ago) (2 children)

I'm one of the many who have had trouble logging in, and this issue is surely underreported as those affected generally aren't able to report it. It also seems like I'm not able to upvote or downvote. I'll update with any more issues that I come across but I only just now became able to log-in after a long wait and several different browsers.

Edit: it seems like I can successfully upvote/downvote, but the updated vote count and my blue/red arrow only show after refreshing the page. Thanks for all the work you put into this instance btw

Edit 2: All problems seem to have resolved now

[–] piposaurus 3 points 1 year ago (1 children)

I have same issues with upvote/downvote.

[–] Squorlple 2 points 1 year ago

Thanks for helping me find a new bug! The notification icon also doesn't update unless the page is refreshed.