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How does lemmy.ml handle the Reddit hug of death? (lemmy.ml)

submitted 1 year ago by suspended@lemmy.ml to c/lemmy_support@lemmy.ml

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I'm the sysadmin for beehaw.org and our user-base has almost tripled in 24 hours. Our site has been crashing so much over this time period.

We do have some volunteers that are trying to figure out a reasonable solution for when this happens again four weeks from now.

Do you have any recommendations?

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[–] nutomic@lemmy.ml 27 points 1 year ago (3 children)

So far there are no major problems. Disk was filling up but probably unrelated. I guess beehaw grew a lot more in terms of percentage than lemmy.ml during this time.

The main things I can think of which might help are to increase database pool size (in config file) and number of federation workers (/admin). Also create a swapfile if you are running low on RAM.

[–] suspended@lemmy.ml 11 points 1 year ago

Thanks!

[–] kai@beehaw.org 3 points 1 year ago* (last edited 1 year ago) (2 children)

I mean I've been able to verify with a number of users in America, and in Europe that signups just "spin" on lemmy.ml and have been that way for 24 hours or so. I've personally tested it on iOS & Windows (Safari, librewolf and Vivaldi) as well as on multiple IPs and had a few friends in multiple countries (England, France and Germany) try as well. Something is hung up somewhere for a few people at least. I made a post about it shrug

Also there's a few posts on r/lemmy with others having this same problem too.

[–] szeraax@lemmy.dcrich.net 2 points 1 year ago (1 children)

On my instance at least, spinning on click normally meant issue with email submission. But there wasn't any good feedback like "failed to send email"

[–] kai@beehaw.org 3 points 1 year ago* (last edited 1 year ago)

No issue using the same email server and naming structure for signup on beehaw (as far as user email field data goes).

Update: Yup just checked using a different email address and server.

[–] nutomic@lemmy.ml 2 points 1 year ago

You can ask them to check the browser console for errors. Or sign up somewhere else. Anyway we are getting at least a dozen signups per hour so it's working for many.

[–] wintermute@feddit.de 1 points 1 year ago

Please consider running the lemmy-UI on worker threads