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Multiple Lemmy instances are having stability issues right now (self.meta)

submitted 1 year ago* (last edited 1 year ago) by poVoq to c/meta

3 comments fedilink hide all child comments

Unclear reason, slrpnk.net is also effected.

Edit: Doesn't seem like an active attack, but rather a database overload issue caused by someone deleting their old and previously very active account, and those deletion requests being federated out to other instances as well. At least that seems the most likely theory right now.

Edit: seems to be mostly resolved, but I hope there will be a bug fix to prevent this from happening again.

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[–] jgrim@discuss.online 3 points 1 year ago

That explains why I had a sudden burst. I use pgbouncer between Lemmy and the DB to help with connections, which seems to be the biggest problem. However, I had some values flipped. I had my max set to 180 and the min set to 190. This caused issues. After I resolved it, it was fine.

My DB supports up to 197 connections.

[–] TerryTPlatypus@beehaw.org 1 points 1 year ago (1 children)

Hold up, this can happen? I didn't even know that was possible.

[–] poVoq 4 points 1 year ago

Lemmy is sadly not very well tested and trips over such edge cases all the time.