Cloud
Uptime
The percentage of time a system is operational and available to users.
Why it matters
- Directly impacts user experience and trust
- Often tied to SLAs and business commitments
- Key metric for reliability engineering
When to use
- When setting service level objectives
- For evaluating infrastructure reliability
- When communicating availability to stakeholders
Common mistakes
- Promising unrealistic uptime without investment
- Not accounting for maintenance windows
- Focusing on uptime without considering performance
Related terms
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