this post was submitted on 23 Jun 2023
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I will be updating the instance to v18 at ~~20:00~~ 22:00 UTC.

See https://programming.dev/post/181191 for the changes

edit: Lemmy.ml updated and seems to have gone down. We're going to wait and see what the outage was caused by and then proceed from there.

edit 2: lemmy was down due to a ddos attack. We will upgrade at 22:00 UTC

edit 3: we had issues with the email setup getting overridden again. If you tried to sign up in the past 8 hours please try to just log in. If you can't, please message me (discord, matrix, or mastodon)

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

Looks like their back up and running using UI: 0.18.0-rc.6 BE: 0.18.0.

I apologize for the stability issues everyone.
People found an exploit and are using it to DDOS several lemmy instances.
https://lemmy.ml/comment/909960

Relevant ticket for patch fix:

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

Yikes, looks like there are some serious query problems. Paging in postgres and ordering by an unindexed column.

[–] [email protected] 1 points 1 year ago

Someone split off that issue into another issue with more details and yeah, it sounds bad.

https://github.com/LemmyNet/lemmy/issues/3312