I half remember a tale about Twitter falling over because they ran out of primary keys on their notifications back in the day...
Is that accurate? I can't find anything about it online with a hasty search.
Does anyone have a link to a write up / post mortem or know where I might have heard that tale ages ago?
Can anyone confirm it?
(I know it's technically possible if you use ints as your primary key - just wondering if it was true about Twitter in particular)
Maybe I'm misremembering the story and it was Slashdot?
Ah - I think I was thinking of this, from Sarah Mei's write up of the whole Parler debacle last year:
Welcome to thundertoot! A Mastodon Instance for 'straya