Quick Answer
Production circuit breakers: configure thresholds carefully (too sensitive = opens on normal error spikes, too loose = lets failure propagate too long). Track open circuits in your dashboards - an open circuit is a critical alert. Fallback should be meaningful (cached data, graceful error), not silent. Test circuit breakers in staging with chaos injection before relying on them in production.
Answer
Circuit breaker halts requests to failing services. Fallback provides alternative responses. Ensures uptime and resilience during failures.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
