DynamoDB On-Demand

• Automatically scale read/write with your workload
• No capacity planning needed
  • Unlimited WCU, RCU, no throttle, more expensivea
• Charged based on
  • RRU (Read Request Units) - throughput for reads
  • WRU (Write Request Units) - throughput for writes
• 2.5x more expesnive than DynamoDB Provisioned
• usecase: unpredicted workload