A data-storage service uses Amazon S3 under the hood to power its storage offerings which allow the customers to upload and view the files immediately. Currently, all the customer files are uploaded directly under a single S3 bucket. The data analytics team has started seeing scalability issues where customer file uploads are failing during peak access hours with more than 5000 requests per second. Which of the following represents the MOST resource-efficient and cost-optimal way of resolving this issue?