'Retrain weekly' is the answer interviewers let you finish before dismantling it. The four trigger types, how to stop a drift alarm from causing a retraining storm, and why the trigger question is really a cost-and-staleness trade.
Updated Aug 2026 · Grounded in real Forward Deployed Engineer interview loops and written to a senior-engineer editorial bar.
'Retrain weekly' is the answer interviewers let you finish before dismantling it. The four trigger types, how to stop a drift alarm from causing a retraining storm, and why the trigger question is really a cost-and-staleness trade.
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