AWS Certified Data Analytics Specialty 2021 - Hands-On! - Amazon DynamoDB Accelerator (DAX)

The video tutorial introduces DAX, a DynamoDB accelerator that acts as a cache to improve read performance by reducing latency and solving the hotkey problem. It explains the configuration of DAX, including TTL, node setup, and security features like encryption and IAM permissions. The tutorial provides a step-by-step guide to creating and managing a DAX cluster, emphasizing the importance of provisioning and the associated costs. Finally, it concludes with a brief overview of using the SDK for DAX and encourages further exploration.

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