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  <img class="date-icon" src="/icons/outline/date-blue.svg" alt="Calendar" />  Day 2 
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# Indexing and Performance

Master [HNSW](https://qdrant.tech/articles/filterable-hnsw/index.md) indexing and practical tuning for fast retrieval.

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## Today’s path

1. HNSW Indexing Fundamentals
2. Combining Vector Search and Filtering
3. Demo: HNSW Performance Tuning
4. Project: HNSW Performance Benchmarking

You’ll measure recall and latency impacts to make data‑driven tuning choices.