Scaling HNSWs

448 · Salvatore Sanfilippo · Nov. 11, 2025, 1:07 p.m.
Summary
This blog post provides an in-depth exploration of Hierarchical Navigable Small World graphs (HNSWs) in the context of Redis, detailing insights on their memory efficiency, speed optimizations, and practical applications. The author shares personal experiences transitioning between HNSW implementations, underscores the potential of HNSWs in current data structures, and discusses enhancements for vector similarity queries, making it appealing for developers interested in advanced data structure techniques.