RAG and search
PathSeer: Adaptive Filtered Vector Search
Our short summary of Weaviate’s engineering write-up. The full story, with all the detail, is on their blog.
Read the full write-up on weaviate.io (opens in a new tab)Problem
Filtered vector searches were slow and unreliable when filters changed frequently.
Solution
We added the PathSeer algorithm to the HNSW index, letting the system choose the best order for distance and filter checks, which speeds up filtered searches.
Significant query‑time reductions
Want the architecture, code and numbers? They’re in the original post.
Read the full write-up on weaviate.io (opens in a new tab)
Qdrant
Vespa