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] 7 points 2 years ago (1 children)

So, basically I can't see any content from lemmyworld, I'm commenting right now from another instance. When I logged into my Lemmy world account its just empty, zero content, any solutions?

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[โ€“] [email protected] 7 points 2 years ago

Loving lemmy more and more!

Just so refreshing getting this much transparency.

[โ€“] [email protected] 7 points 2 years ago

I really appreciate the transparency in this post. There's enough information for me to feel like I kind of know what's going on, and I can go dig into it deeper if I feel like it. This is a breath of fresh air from what I'm used to, thanks so much!

[โ€“] [email protected] 7 points 2 years ago

Awesome to see the transparency and some tech details of what these updates entail! Iโ€™m loving the bug fixes 0.18 brought too

[โ€“] [email protected] 7 points 2 years ago* (last edited 2 years ago)

It's faster now, and we finally have buttons for rich text features! Congratulations!

Update: upvotes are a bit broken and weird right now, I need to refresh every time to see that I upvoted. But that's really the only issue I see right now.

[โ€“] [email protected] 7 points 2 years ago

I'm sure there will be bugs for others but it's smooth and bug free for me. Thanks so much for the devs and contributors.

[โ€“] [email protected] 7 points 2 years ago

Wow - we have a new defniition of 'awesome dudes'.

Thank you.

[โ€“] [email protected] 7 points 2 years ago

Hey, thanks for your hard work, just want to let you know that login doesn't work for me in incognito mode or on any app.

[โ€“] [email protected] 7 points 2 years ago

YOU'RE DOING GOD'S WORK, SON! Keep up the good work! ๐Ÿ†

[โ€“] [email protected] 7 points 2 years ago

Just signed up and everythings working well for me!

[โ€“] [email protected] 7 points 2 years ago

The instance just got so much more faster and stable, it's amazing. Keep up the good work!

[โ€“] [email protected] 6 points 2 years ago

Lot of network errors, but it could be jerboa.

[โ€“] [email protected] 6 points 2 years ago

Login problem is fixed for me, yay! Back on Jerboa and here on the browser! Thanks for your hard work and for putting up with me, lol.

I'm getting network errors that aren't allowing me to actually view content on Jerboa right now, though, but at this point I'm assuming it's a Jerboa thing and not a problem with the instance.

[โ€“] [email protected] 6 points 2 years ago

we created extra lemmy containers to spread the load. (And extra lemmy-ui containers). And used nginx to load balance between them.

Had no idea nginx did that. There's so much I need to learn

[โ€“] [email protected] 6 points 2 years ago (3 children)

I'm curious; is this instance pysically running on a local private server somewhere or in the cloud in some data center?

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[โ€“] [email protected] 6 points 2 years ago

Having login issues on the browser. Not logging in at all. But on liftoff where I was already logged in, everything seems to be working.

[โ€“] [email protected] 6 points 2 years ago (1 children)

Edit still see some performance issues. Needs more troubleshooting

Federation overheard is putting a lot of load on servers. Creating one task for every single post, comment, and vote in RAM-only queue.... pending changes: https://github.com/LemmyNet/lemmy/pull/3466

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[โ€“] [email protected] 6 points 2 years ago

@ruud oh wow 0.18.1 fixed the broken federation/webfinger issue!!! this is great news

[โ€“] [email protected] 6 points 2 years ago

was struggling for a while, but it seem to be nice and fast now.. thank you!

[โ€“] [email protected] 6 points 2 years ago

Thanks for the hard work on the upgrade! Much appreciated although I'm only using the web version (not needing specific client apps). Lemmy World feels quite 'snappy' when browsing now.

[โ€“] [email protected] 6 points 2 years ago

Updated Jerboa. Thanks for your efforts, transparency and insights.

[โ€“] [email protected] 6 points 2 years ago

Lemmy seems pretty slow. I wonder how many more people have joined here now.

[โ€“] [email protected] 5 points 2 years ago* (last edited 2 years ago) (9 children)

I am still getting errors half the time I do anything while using jerboa

Website is working great though

Edit: It's suddenly working a lot better now. Hopefully I am not jinxing myself.

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[โ€“] [email protected] 5 points 2 years ago

New user registrations closed until tomorrow

Warning: Be careful, this might trigger this bug here: https://github.com/LemmyNet/lemmy/issues/3422#issuecomment-1616112264

[โ€“] [email protected] 5 points 2 years ago

Thanks! Seems to be working fine so far.

[โ€“] [email protected] 5 points 2 years ago

Many thanks for the transparency! This is great.

[โ€“] [email protected] 5 points 2 years ago (4 children)

To everyone having a login problem, it seems that resetting the password solves the issue! Maybe this means that the upgrade corrupted the stored hashes somehow?

[โ€“] [email protected] 7 points 2 years ago (3 children)

Resetting the password gets you in that one time the password was reset. Trying to login after that still doesn't work.

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