Fei's Miscellaneous Talks

Aug 31, 2026 · Artificial Intelligence

Multi-Path Recall Architecture: From Tag & Vector Search to Recall Manager Engineering

This article details the multi-path recall architecture in recommender systems, covering five recall sources (tag, vector, popularity, collaborative filtering, exploration), the Recall Manager's parallel scheduling and circuit breaking, engineering deployment pipelines with offline/online evaluation, and future trends like generative recall and joint optimization.