A mobile app has become very popular, and usage has gone from a few hundred to millions of users. Users capture and upload images of activities within a city, and provide ratings and recommendations. Data access patterns are unpredictable. The current application is hosted on Amazon EC2 instances behind an Application Load Balancer (ALB). The application is experiencing slowdowns and costs are growing rapidly. Which changes should a solutions architect make to the application architecture to control costs and improve performance?
Select one answer.
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