AWS Certified Data Analytics Specialty 2021 – Hands-On - DynamoDB RCU and WCU - Throughput

The video tutorial explains the two capacity modes in DynamoDB: provisioned and on-demand. It covers the details of provisioned mode, including read and write capacity units (RCU and WCU), auto-scaling, and burst capacity. The tutorial also delves into the calculations for WCU and RCU, highlighting the differences between strongly consistent and eventually consistent reads. It further explains how DynamoDB partitions data and the implications of hot partitions. Finally, the on-demand mode is discussed, emphasizing its flexibility and higher cost compared to provisioned mode.

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