Vector Database Tuning Cheat Sheet

Dimensions, similarity, and refresh cadence

Last Updated: November 21, 2025

Focus Areas

Focus
Match embedding vector dimensions to index settings
Index metadata filters to support hybrid queries

Commands & Queries

pinecone describe-index --name knowledge
Inspect index configuration
milvus index describe --collection docs
Check Milvus index
pinecone upsert --vectors ./batch.json
Push vectors with metadata

Summary

Tune recall with the right metric, refresh vectors post-retrain, and prune stale data.

💡 Pro Tip: Monitor recall/precision, prune stale vectors, and align index metric with embeddings.
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