slo-sli-error-budgets
Installation
SKILL.md
SLOs, SLIs, and Error Budgets
Define and measure reliability in terms that matter to users.
Terminology
| Term | Definition | Example |
|---|---|---|
| SLI | Service Level Indicator - What you measure | 99.2% of requests succeed |
| SLO | Service Level Objective - Your target | 99.9% availability |
| SLA | Service Level Agreement - Contract with customers | 99.5% with refund clause |
| Error Budget | Allowed unreliability (100% - SLO) | 0.1% = 43 min/month downtime |
Common SLI Types
Availability
availability = successful_requests / total_requests
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