DynamoDB - Cost Optimization and Monitoring
Which DynamoDB billing mode automatically adjusts capacity and charges based on actual usage?
Which DynamoDB billing mode automatically adjusts capacity and charges based on actual usage?
easy🧠 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand billing modes in DynamoDB
DynamoDB offers two main billing modes: on-demand and provisioned. On-demand charges based on actual read/write requests.Step 2: Identify the mode that auto-adjusts capacity
On-demand mode automatically adjusts capacity and charges you only for what you use, unlike provisioned mode which requires fixed capacity settings.Final Answer:
On-demand mode -> Option DQuick Check:
Billing mode with auto-scaling = On-demand [OK]
Quick Trick: On-demand charges per request, no capacity planning needed [OK]
Common Mistakes:
MISTAKES- Confusing provisioned mode as auto-scaling
- Thinking reserved mode exists in DynamoDB
- Assuming fixed mode is a billing option
Master "Cost Optimization and Monitoring" in DynamoDB
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