Change Failure Rate
Source: content/manual/06-glossary/metrics/change-failure-rate.md
Definition
Percentage of production changes that cause an incident or require remediation (rollback, hotfix, config change).
Why it matters
Shows release quality and the effectiveness of testing, review, and rollout strategies.
Common pitfalls
- Counting noise (e.g., minor alerts) as failures.
- Lacking a deploy ID ↔ incident link.