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2024-07-18 lemm.ee downtime (lemm.ee)

submitted 4 months ago* (last edited 4 months ago) by [email protected] to c/[email protected]

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Hey folks!

Unfortunately, roughly 2 hours ago, lemm.ee went offline. The cause was our load balancer: it suddenly decided that all of our servers had become unhealthy, despite all health checks responding successfully when I requested them directly. In such cases, the load balancer stops serving all requests, effectively meaning that lemm.ee is unreachable for all users. I am still not sure what exactly caused the issue, but I will try to investigate more over the weekend.

For now, we have partially recovered, and I am continuing to work on remaining issues. Hopefully we will be back to 100% very soon. Sorry for the inconvenience!

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[–] [email protected] 9 points 4 months ago (3 children)

Nginx? I had an nginx LB shit itself yesterday. Luckily it auto-recovered and I had HA but just weird it happened.

[–] [email protected] 9 points 4 months ago (1 children)

Actually, we're using Hetzner's cloud load balancer for lemm.ee. But if this issue repeats in the near future, then I will definitely consider setting up something else.

[–] [email protected] 4 points 4 months ago (1 children)

haproxy is where it's at!

[–] [email protected] 2 points 4 months ago

It's probably a managed haproxy in Hetzner's case.

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