shift-right-testing
Shift-Right Testing
<default_to_action> When testing in production or implementing progressive delivery:
- IMPLEMENT feature flags for progressive rollout (1% → 10% → 50% → 100%)
- DEPLOY with canary releases (compare metrics before full rollout)
- MONITOR with synthetic tests (proactive) + RUM (reactive)
- INJECT failures with chaos engineering (build resilience)
- ANALYZE production data to improve pre-production testing
Quick Shift-Right Techniques:
- Feature flags → Control who sees what, instant rollback
- Canary deployment → 5% traffic, compare error rates
- Synthetic monitoring → Simulate users 24/7, catch issues before users
- Chaos engineering → Netflix-style failure injection
- RUM (Real User Monitoring) → Actual user experience data
Critical Success Factors:
- Production is the ultimate test environment
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