node_parser
into the ServiceContext
:ctx = ServiceContext.from_defaults( llm=llm, embed_model=HuggingFaceEmbeddings( model_name="sentence-transformers/all-mpnet-base-v2" ), node_parser=node_parser, )
node_parser
what's taking the documents and then "breaking them up" as opposed to calculating the embeddings for the entire thing and shoving the whole document into the index?