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wiki/entities/memsearch.md
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title: "memsearch"
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type: entity
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tags: [vector-search, open-source, python]
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date: 2026-04-16
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---
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## Overview
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memsearch 是 Zilliz 开源的 Python CLI/库,为本地 Markdown 文件提供向量语义搜索能力,基于 Milvus 向量数据库,支持混合搜索(dense + BM25 + RRF)。
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## Key Features
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- 混合搜索:Dense vector(语义)+ BM25(关键词)+ RRF reranking
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- 增量索引:SHA-256 内容哈希,仅对新增/变更内容重新 Embedding
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- 文件监视器:自动增量重索引
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- 多 Embedding 提供商:OpenAI/Google/Voyager/Ollama/本地
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- 完全本地模式:无需 API key
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## Connections
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- [[Milvus]]:向量数据库后端
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- [[Semantic-Memory-Search]]:memsearch 的核心应用场景
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- [[QMD]]:同类本地搜索工具,但为 BM25 而非向量语义
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