Haystack 2.x Installation Core Concepts - Component : single-purpose unit with typed (uses decorator) - Pipeline : DAG of components with named connections - DocumentStore : backend for indexed documents (separate from the pipeline) - Components declare inputs/outputs as typed sockets; Pipeline wires them Indexing Pipeline RAG Query Pipeline Hybrid Retrieval (BM25 + Embedding) Document Store Integrations Elasticsearch Weaviate Pinecone Qdrant Conditional Routing Custom Component Generators Evaluation Serialization Streaming Anti-Patterns | Anti-Pattern | Fix | |---|---| | Putting DocumentStor…