---
name: "tech-qdrant-hnsw-timeout"
title: "Qdrant: high-dim full scan timeouts"
description: "Large float32 collections without HNSW/quantization can time out"
type: "tech"
category: "databases"
tags: ["tech", "qdrant", "vector", "databases"]
related: ["[[tech-qdrant-config-at-create]]", "[[tech-rag-metadata-key-drift]]"]
---
High-dimension float32 collections can devolve to expensive scans. Tune HNSW + consider INT8 quantization.

Config timing: [[tech-qdrant-config-at-create]]. Related: [[tech-rag-metadata-key-drift]].