if i want to insert 10,000 donations this appears to require a very chatty connection, as constituent, address, phone number. gift, soft credit, custom fields, etc are all updated per record.
updating one person could have 10 to 20 api calls needed, meaning that a file of 10k records could use most of an entire days quota all by itself.
Is there a best way to update multiple people at one time, or at least have the capability to “insert, ignoring the record if it already exists”, otherwise i need to do a search + insert or update for every attribute.