Answer
Test new versions with partial traffic.
Monitor latency, errors, CPU/memory, success rates.
Rollback if unstable.
Monitor latency, errors, CPU/memory, success rates.
Rollback if unstable.
Quick Answer
Canary testing: release to a small slice, watch metrics (error rate, latency, business KPIs). Key metrics: error rate compared to baseline, p99 latency, conversion rates if business-critical. Use feature flags to enable the canary for specific users. Automate the analysis - tools like Argo Rollouts can automatically promote or rollback based on metric thresholds.
S
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.
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Source: SugharaIQ