Shadow Traffic Without User Impact
Mirror live requests to a candidate silently.
What Shadow Mode Is
In shadow mode, a candidate model sees real production requests but its answers are never shown to users. It watches from the sidelines. 👀
Mirror, Do Not Serve
Every live request is mirrored to the shadow model. The champion still produces the response users actually receive.
All lessons in this course
- Canary Rollouts: Ship to a Few First
- Shadow Traffic Without User Impact
- Define Automatic Rollback Criteria
- Progressive Delivery with Argo Rollouts