hard20 pts · first answer countsdeployment-strategies

Shadow model sent real emails

A shadow deployment of a new churn model also triggered retention emails to customers, duplicating those from the live model. What went wrong?

A.Shadow deployments always send output to usersB.The shadow model was too accurateC.The canary percentage was too highD.The shadow path was not isolated from side effects; it should only log predictions, with writes and actions stubbed out

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Shadow model sent real emails

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