Use DynamoDB Accelerator (DAX) for businesses with heavy write-only workloads

Increase the request timeout settings, so the client gets enough time to complete the requests, thereby reducing retries on the system

Reduce connection pooling, which keeps the connections alive even when user requests are not present, thereby, blocking the services

Consider using Global tables if your application is accessed by globally distributed users

Use eventually consistent reads in place of strongly consistent reads whenever possible