Glossary: System Design Basics in PHP
Nines
Also written: three nines
A way to describe availability by counting the 9s: 99.9% is "three nines". Each extra nine cuts allowed downtime by ten and costs much more.
Glossary: System Design Basics in PHP
Also written: three nines
A way to describe availability by counting the 9s: 99.9% is "three nines". Each extra nine cuts allowed downtime by ten and costs much more.