AI Data Storage Engine
How to Cut Vector Database Costs by Up to 80%: A Practical Milvus Optimization Guide

How to Cut Vector Database Costs by Up to 80%: A Practical Milvus Optimization Guide

3/20/2026 · Jack Li

What this post added

This post details practical optimization strategies for reducing Milvus infrastructure costs, focusing on memory optimization. It introduces and explains the configuration of MMap (Memory-Mapped Files) and Tiered Storage as methods to significantly reduce memory usage by leveraging local disk and object storage. It also highlights the impact of index selection (e.g., IVF_SQ8 vs. HNSW) and embedding dimensionality on cost. The post provides configuration examples for MMap and Tiered Storage in Milvus.

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