12 posts tagged with "Python"

RAG Query Sources Missing the similarity Field

March 8, 2026 · 3 min read

Debugging the query-result response format in a RAG knowledge-base project — the full troubleshooting trail below.

TL;DR

The RAG /query endpoint returned sources containing metadata only, with no per-source similarity score. Fix: merge metadatas and distances while assembling the response, computing similarity = 1 - distance for each source.

Four Common Pitfalls in Milvus Hybrid Search

March 7, 2026 · 3 min read

CCLEE

Debugging hybrid retrieval scoring in a RAG knowledge-base project — the full troubleshooting trail below.

TL;DR

Milvus hybrid search (Dense + Sparse) has four common pitfalls: empty sparse vectors erroring out, unloaded collections, malformed sparse formats, and thresholds set too high. Minimal fix code for each below.

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