this post was submitted on 16 Dec 2023

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136

Federation Issue Resolved! (lemdro.id)

submitted 10 months ago* (last edited 10 months ago) by [email protected] to c/[email protected]

17 comments fedilink hide all child comments

If you're wondering why it has been looking quiet here, we stumbled upon an issue that caused lemdro.id to stop federating out its community content.

It should now be resolved but please let us know if there are any issues!

all 18 comments

sorted by: hot top controversial new old

[–] [email protected] 20 points 10 months ago (2 children)

What happened to be the problem?

[–] [email protected] 40 points 10 months ago* (last edited 10 months ago) (1 children)

Basically, the lemmy backend service for some reason marked every instance we federated with as inactive, which caused it to stop outbound federation with basically everyone. I have a few working theories on why, but not fully sure yet.

TL;DR lemmy bug, required manual database intervention to fix

This was a stressful start to a vacation!

For a more detailed working theory...

I've been doing a lot of infrastructure upgrades lately. Lemdro.id runs on a ton of containerized services that scale horizontally for each part of the stack globally and according to load. It's pretty cool. But my theory is that since the backend schedules inactive checking for 24 hours from when it starts that it simply was being restarted (upgraded) before it had a chance to check activity until it was too late.

theory:

scheduled task checks instances every 24 hours
I updated (restarted it) more than every 24 hours
it never had a chance to run the check
???
failure

This isn't really a great design for inactivity checking and I'll be submitting a pull request to fix it.

[–] [email protected] 3 points 10 months ago

Thanks for all your hard work!

[–] [email protected] 14 points 10 months ago (2 children)

I suspect the readers are a very technical crowd. I would love to know the details.

[–] [email protected] 15 points 10 months ago

For anyone who wants to follow the GitHub issue

https://github.com/LemmyNet/lemmy/issues/4039#issuecomment-1858728555

[–] [email protected] 12 points 10 months ago

fyi, I replied in this thread!

[–] [email protected] 9 points 10 months ago

I see. I was concerned about the reduced activity levels overall down to single vote posts.

[–] [email protected] 6 points 10 months ago* (last edited 10 months ago) (1 children)

A welcome back from lemmy.world is in order (Found this via filtering by all instances, not just .wotld and subscribed instances )

[–] [email protected] 3 points 10 months ago

Belated thanks!

[–] [email protected] 5 points 10 months ago (1 children)

Glad to have one of my favourite instances back when a vengeance.

[–] [email protected] 1 points 10 months ago (1 children)

BTW @[email protected] can we get the ability to edit our posts please? Way too often I'll submit and then go back and edit to provide more information if the preview falls short, but lemdro.id doesn't allow this.

[–] [email protected] 6 points 10 months ago (1 children)

lemdro.id doesn't disable editing so I'm not sure what you mean

[–] [email protected] 2 points 10 months ago (2 children)

The option isn't there for me.

[–] [email protected] 3 points 10 months ago* (last edited 10 months ago) (1 children)

have you tried in the default lemmy ui? it might be a sync bug

[–] [email protected] 2 points 10 months ago

Ah, it is indeed an app bug as both Sync and Jerboa can't edit. The Web UI does indeed allow it though. Weird.

[–] [email protected] 1 points 10 months ago* (last edited 10 months ago)

If you're using Sync, it doesn't currently support post editing! I usually use Photon or the default UI to edit my submissions.

[–] [email protected] 4 points 10 months ago

Ah, so that's why! I was worried about the lack of activity around here!