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docs: dedupe recomputation guidance; keep single Low-resource setups section

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Andy Lee
2025-08-13 14:10:10 -07:00
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docs/configuration-guide.md
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@@ -259,25 +259,6 @@ Every configuration choice involves trade-offs:
The key is finding the right balance for your specific use case. Start small and simple, measure performance, then scale up only where needed. The key is finding the right balance for your specific use case. Start small and simple, measure performance, then scale up only where needed.
## Deep Dive: Critical Configuration Decisions
### When to Disable Recomputation (Low-resource tip)
LEANN's recomputation feature provides exact distance calculations but can be disabled for extreme QPS requirements:
```bash
--no-recompute # Disable selective recomputation
```
**Trade-offs**:
- **With recomputation** (default): Exact distances, best quality, higher latency, minimal storage (only stores metadata, recomputes embeddings on-demand)
- **Without recomputation**: Must store full embeddings, significantly higher memory and storage usage (10-100x more), but faster search
**Disable when**:
- You have abundant storage and memory
- Need extremely low latency (< 100ms)
- Running a read-heavy workload where storage cost is acceptable
## Low-resource setups ## Low-resource setups
If you don’t have a local GPU or builds/searches are too slow, use one or more of the options below. If you don’t have a local GPU or builds/searches are too slow, use one or more of the options below.