# Continual FT Loop: Weekly Retraining + Replay Buffer + Forgetting Mitigation

> Source: https://sukruyusufkaya.com/en/learn/fine-tuning-cookbook/ftc-continual-ft-loop
> Updated: 2026-05-14T14:43:02.105Z
> Category: Fine-Tuning Cookbook (Model-by-Model)
> Module: Part XVI — Production Operations
**TLDR:** Model doesn't stay static in production — new data, new feedback, drift mitigation via **weekly retraining** loop. Replay buffer (30% of old training set) for catastrophic forgetting mitigation, weekly model vs current canary A/B, mandatory cert eval suite.