AI engineering glossary · Computing foundations
What is uptime?
Uptime (also called Availability): The proportion of time that a system or service is operating and available, often expressed as a percentage. Service promises are commonly stated as uptime targets such as 99.9 percent.
Uptime: an example
A service with 99.9 percent uptime can be down for about 43 minutes in a 30-day month.
Related terms
More Computing foundations terms
- User space
- UTF-8
- Virtual machine
- Virtual memory
- Virtual private network
- Von Neumann architecture
- VRAM
- Wide area network
Where you learn it
Uptime is part of the AI Engineering Program, which teaches it with notes, a hands-on lab and an exam. The first lesson is free.