> Being down for an entire trading day is pretty crazy. "Nines don't matter if the users aren't happy", to quote Charity Majors. No-one will remember all the u

> Being down for an entire trading day is pretty crazy. "Nines don't matter if the users aren't happy", to quote Charity Majors. No-one will remember all the uptime for the rest of the month, or indeed year. Just the hours they were down for a critical trading day.