"9s" are brought up in reliability discussions. They refer to the number of 9's ...

		nlowell on Jan 20, 2023 \| parent \| context \| favorite \| on: Google to reduce workforce by 12k "9s" are brought up in reliability discussions. They refer to the number of 9's in an uptime metric like 99%, 99.9%, 99.9999%, ... See also "march of the 9s"