Auto-Promote Only If It Beats Baseline
Gate promotion on champion-challenger comparison.
Newer Is Not Always Better
A freshly retrained model can be worse than the one in production. Never promote a new model blindly just because it is newer.
Champion vs Challenger
The live model is the champion; the new candidate is the challenger. Promotion is a contest the challenger must win on the metrics.
All lessons in this course
- Schedule vs Trigger-Based Retraining
- Orchestrate Retraining with Airflow
- Auto-Promote Only If It Beats Baseline
- Keep a Human in the Loop