Milvus LangChain
Milvus LangChain is an integration that connects Milvus, a high-performance cloud vector database, with the LangChain framework. Using Milvus.from_documents or .from_embeddings, developers load chunked text or image embeddings into Milvus collections, which use HNSW or IVF-PQ indexes for billion-scale similarity searches in milliseconds. At query time, LangChain transforms the user’s query into an embedding, runs the search against Milvus, and returns the top-k vectors plus metadata for Retrieval-Augmented Generation (RAG) or recommendation streams. TLS, role-based access, and namespace isolation meet enterprise security needs, while Milvus’ horizontal sharding allows LangChain applications to scale without re-indexing. Because the wrapper follows the standard LangChain vector store API, teams can swap out Milvus for Pinecone or Qdrant — or vice versa — with a single line of code. Observability callbacks expose lookup latency and recall metrics, making Milvus LangChain a plug-and-play path to ultra-large, cost-effective LLM pipelines.
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