A company runs a legacy application that must run continuously 24/7 on Amazon EC2 instances. The database tier is hosted on Amazon RDS for PostgreSQL and also runs continuously. The company wants to make a 3-year commitment to reduce their AWS costs for these resources. Which recommendation should a solutions architect make to achieve the most cost-effective architecture?
- Purchase a Compute Savings Plan to cover the Amazon EC2 instances, and purchase Amazon RDS Reserved Instances for the RDS database.Cevap
- BPurchase a Compute Savings Plan to cover the costs of both the Amazon EC2 instances and the Amazon RDS database.
- CMigrate the continuous legacy application to AWS Lambda to run 24/7 to minimize compute costs.
- DPurchase an EC2 Instance Savings Plan to cover the costs of both the Amazon EC2 instances and the Amazon RDS database.
Cevap
Purchase a Compute Savings Plan to cover the Amazon EC2 instances, and purchase Amazon RDS Reserved Instances for the RDS database.
Purchasing a Compute Savings Plan covers the Amazon EC2 instances, while purchasing Amazon RDS Reserved Instances provides a discount for the Amazon RDS database. This combination correctly applies the appropriate purchasing model to each service and maximizes savings over the 3-year term.
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Compute Savings Plans vs RDS Reserved Instances scope
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