COST07-BP01 Perform pricing model analysis
Analyze each component of the workload. Determine if the component and resources will be running for extended periods (for commitment discounts), or dynamic and short-running (for Spot or On-Demand Instances). Perform an analysis on the workload using the Recommendations feature in AWS Cost Explorer.
Level of risk exposed if this best practice is not established: High
Implementation guidance
AWS has multiple pricing models
Implementation steps
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Perform a commitment discount analysis: Using Cost Explorer in your account, review the Savings Plans and Reserved Instance recommendations. To verify that you implement the correct recommendations with the required discounts and risk, follow the Well-Architected labs
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Analyze workload elasticity: Using the hourly granularity in Cost Explorer, or a custom dashboard. Analyze the workload elasticity. Look for regular changes in the number of instances that are running. Short duration instances are candidates for Spot Instances or Spot Fleet.
Resources
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