Tag: vector-search

2 articles

Fix: FAISS Not Working — Import Errors, Index Selection, and GPU Setup

Apr 9, 2026

How to fix FAISS errors — ImportError cannot import name swigfaiss, faiss-gpu vs faiss-cpu install, IndexFlatL2 slow on large data, IVF training required, index serialization write_index, and dimension mismatch.

python faiss vector-search similarity-search machine-learning debugging

Fix: LlamaIndex Not Working — Import Errors, Vector Store Issues, and Query Engine Failures

Apr 9, 2026

How to fix LlamaIndex errors — ImportError llama_index.core module not found, ServiceContext deprecated use Settings instead, vector store index not persisting, query engine returns irrelevant results, and LlamaIndex 0.10 migration.

python llamaindex llama-index llm rag vector-search debugging