The community member has multiple indexes in Pinecone, one for Notion and one for Google Drive, and wants to know if it's better to compose a graph or merge them into a single index. The other community members suggest that it would be ideal to insert both sets of vectors into the same index, rather than using separate namespaces, as the information in the two indexes is generally the same. They recommend using index.insert(document) to add the documents to the existing index.