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mrmanager

Lemmy.today had its first unexpected downtime today (self.announcements)

submitted 1 year ago by mrmanager to c/announcements

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Hi all,

The disk on the instance ran out of space today, due to the way Lemmy software caches images from all other instances. That cache had filled up about 60 GB's of disk, despite us being a small instance with very little local activity.

I had to delete the last 10 days of cached images again, and I plan to delete quite a lot of older cached images as well. The mobile apps seems to not be affected by this (they have a local image cache I believe), but on the web site, this leads to missing thumbnail images.

They are working on a fix for this in the Lemmy software so the disks dont fill up so enormously with cached thumbnails, and as soon as its out, we will install it here.

Hope you guys didnt get too annoyed or sad by the instance being unavailable for a while.

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[–] mayo 3 points 1 year ago (1 children)

No I actually thought of you and hoped you weren't stressing over it. I have an alt mayo account on .world I can use if I absolute must share my opinion on the internet, but honestly .today could be down a week and I'd survive.

I've noticed the missing thumbnails since you mentioned it last time but I just click the next post and seems like they come back after a day or so anyway.

They could dither the thumbnails to reduce their size another chunk.

[–] mrmanager 3 points 1 year ago

I did stress a bit over it honestly but it was a quick fix at least. I have an idea now how to fix this situation for the future - there is an environment variable that can be set for the pict-rs software that will remove any cached image not viewed after X days. So I will try that one and see if it gets us disk back. :)