Triage a Bad Prediction Spike
Apply incident-response phases to a model-quality incident.
Model incident A rejection-rate spike affects one acquisition channel. The service is up, but the decisions may be wrong and customer impact is live. The risk is not outage; the risk is continued harmful decisions while the team debates cause. Incident lifecycle Prepare -> Detect/Analyze -> Contain -> Recover -> Learn Model incidents follow the same discipline as other incidents: preserve evidence, bound harm, fix cause, restore safely, and update controls. Retrain now Looks decisive, but can hide the real failure. The team stops impact without destroying the clues. Containment buys time for diagnosis; diagnosis without containment lets harm continue.…
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