Quick Answer
Canary: release new version to a small traffic slice (5-10%). Monitor metrics. Gradually increase to 100% if healthy. Kubernetes: two Deployments with different replica counts, Ingress routes weighted traffic. With Istio: VirtualService rules control traffic percentages precisely. A/B testing is similar but segments by user attributes, not traffic percentage.
Answer
Releases new version to a subset of users first. Monitor metrics and errors before full rollout. Safe and gradual deployment technique.
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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.
