Why it matters

Canary is standard progressive rollout. Understanding shapes safe ops.

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The architecture

Route small % (1-5%) to new.

Monitor metrics.

Increase gradually.

Canary rolloutRoute 1-5%to canaryMonitor metricsvs baselineRoll forward or backbased on signalsFeature flags + service mesh enable canary routing at request level
Canary.
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How it works end to end

Feature flag or mesh routing.

Metrics: latency, error rate, quality.

Auto rollback on thresholds.

Gradual ramp.