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How do you design the triggers and cadence for retraining a fleet of production models?

Retrain too often and you burn money and risk regressions; too rarely and the model rots. The strong answer is a layered trigger policy with guardrails, not a single cron job. Here is how to set the cadence.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

Retrain too often and you burn money and risk regressions; too rarely and the model rots. The strong answer is a layered trigger policy with guardrails, not a single cron job. Here is how to set the cadence.

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