Specifies the number of documents to return in each batch of the response from the MongoDB instance. In most cases, modifying the batch size will not affect the user or the application, as the
mongoshell and most drivers return results as if MongoDB returned a single batch.
batchSize()method takes the following parameter:
Parameter Type Description
integer The number of documents to return per batch. Do not use a batch size of
1or a negative number is analogous to using the