hard20 pts · first answer countsdeployment-strategiesobservability

Canary on a low-traffic service

A service gets 20 requests per minute. The team runs a 5 percent canary for 10 minutes and promotes if the error rate is not higher. What is the main flaw?

A.Only about 10 requests reach the canary, far too few to detect a real increase in errors.B.Canaries must always receive exactly 50 percent of traffic, or the comparison never gives a valid result.C.Error rate is never a valid canary metric; only CPU and memory should be compared.D.Ten minutes is too long; canaries should finish in under a minute to limit damage.

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Canary on a low-traffic service

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