Step 8: Review the cost estimation
Review and refine the cost estimation again. Additionally, it's a good practice to validate it with business stakeholders and get approval to move to the next step.
Objectives
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Define the capacity model, and estimate DynamoDB costs to refine the cost estimation from step 2.
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Get the final financial approval from the business analyst and stakeholders.
Process
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Database engineer identifies the data volume estimate.
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Database engineer identifies the data transfer requirements.
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Database engineer defines the required read and write capacity units.
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Business analyst decides between on-demand and provisioned capacity models.
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Database engineer identifies the need for DynamoDB auto scaling.
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Database engineer inputs the parameters in the AWS Pricing Calculator.
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Database engineer presents the final price estimation to business stakeholders.
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Business analyst and stakeholders approve or reject the solution.