qdrant-indexing-performance-optimization
What to Do When Qdrant Indexing Is Too Slow
Qdrant does NOT build HNSW indexes immediately. Small segments use brute-force until they exceed indexing_threshold_kb (default: 20 MB). Search during this window is slower by design, not a bug.
- Understand the indexing optimizer Indexing optimizer
Uploads/Ingestion Too Slow
Use when: upload or upsert API calls are slow. Identify bottleneck: client-side (network, batching) vs server-side (CPU, disk I/O)
For client-side, optimize batching and parallelism:
- Use batch upserts (64-256 points per request) Points API
- Use 2-4 parallel upload streams
For server-side, optimize Qdrant configuration and indexing strategy:
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