An e-commerce company has created an API hosted on Amazon ECS. They are experiencing variable traffic spikes leading to delays in order processing. The order processing is managed through Amazon SQS queues, and monitoring reveals that the ApproximateNumberOfMessagesVisible metric frequently spikes to very high values during the day, triggering a CloudWatch alarm. However, other ECS metrics for the API containers remain within acceptable limits.

As a Developer Associate, which of the following improvements would you recommend to enhance performance while maintaining cost efficiency?