AI Agent Vector Search Optimization 2026

The user asks a question, and it takes 3 seconds to get a result—500ms of that is spent on vector retrieval. After optimization, retrieval is done in 10ms.

💡 What You Will Learn

The user asks a question, and it takes 3 seconds to get a result—500ms of that is spent on vector retrieval. After optimization, retrieval is done in 10ms.

|:----|:----:|:--------:| || 2x | 0% | || 3-4x | <2% | || 3x | <1% | || 10-20x | <3% |

Summary

import chromadb
from chromadb.config import Settings

# TuningHNSWParameter
client = chromadb.PersistentClient(
    path="./chroma_db",
    settings=Settings(
        hnsw_construction_ef=200,  # 100
        hnsw_search_ef=100,        # 50
        hnsw_m=32,                 # 16
    )
)