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Seems .world and .ee federation are broken (lemm.ee)

submitted 2 weeks ago* (last edited 2 weeks ago) by [email protected] to c/[email protected]

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Is it a .world or a .ee issue?

Seems .world to .ee is broken so i wont be seeing anyone's comments from .world and the rest of the fediverse probably wont see this.

Heres ya issue: https://grafana.lem.rocks/d/bdid38k9p0t1cf/federation-health-single-instance-overview?orgId=1&var-instance=lemmy.world&var-remote_instance=lemm.ee

Edit found more info

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[–] [email protected] 2 points 2 weeks ago (1 children)

pretty much, yeah. lemmy has a persistent federation queue instead of fire and forget requests when activities get generated. this means activities can be retried if they fail. this allows for (theoretically) lossless federation even if an instance is down for maintenance or other reasons. if mbin has a similar system maybe they could expose that as well, but unless the system is fairly similar in the way it represents this data it will be challenging to integrate it in a view like this without having to create dedicated mbin dashboard.

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

We can see it ourselves. We use rabbitmq for incoming (and maybe outgoing, it's been a while since I looked at how it is) federation. So, you can see the queues there. For incoming (from rabbitmq) and outgoing there are also queues (symfony messenger) and these handle failures and can be configured and can be queried.

After the upgrade I just took the default configuration again (because it seems queue names changed). But I used to have various rules setup in rabbitmq for retries and it took a fair few tries before the messages ended up in the proper "failed" queue (which needs manual action to retry). Some items you eventually need to clear (instances that just shutdown, or instances that lost their domain for example). They will never complete.

But it's not exposed in any way to my knowledge. Well unless people have their rabbitmq web interface open and without login of course.