index = GPTVectorStoreIndex.from_documents( documents, service_context=service_context, storage_context=storage_context ) index.storage_context.persist(persist_dir=persist_dir)
VectorStoreIndex.from_vector_store(vector_store)
VectorStoreIndex([], service_context=service_context, storage_context=storage_context)
), and uploading one document at a time with index.insert(document)
in a for loop