Ensure that all your Amazon EC2 instances are using the latest generation of instance types in order to get the best performance with lower costs.
This rule can help you work with the AWS Well-Architected Framework.
This rule resolution is part of the Conformity Security & Compliance tool for AWS.
efficiency
optimisation
Using the current (latest) generation of EC2 instance types instead of the previous generation has multiple advantages such as better hardware performance (faster CPUs, increased memory and network throughput), better virtualization technology (HVM), and lower costs.
Audit
To determine if there are any Amazon EC2 instances from the previous generation running within your AWS cloud account, perform the following operations:
Remediation / Resolution
To upgrade your previous generation Amazon EC2 instances to their latest generation equivalents, perform the following operations:
IMPORTANT: The following procedure assumes that the Amazon EC2 instances selected for reconfiguration (upgrade) are NOT currently used in production or for critical operations.References
- AWS Documentation
- Amazon EC2 FAQs
- Amazon EC2 Instance Types
- Previous Generation Instances
- Amazon EC2 C5 Instances
- Instance Types
- Change the instance type
- AWS Command Line Interface (CLI) Documentation
- describe-instances
- stop-instances
- modify-instance-attribute
- start-instances
- CloudFormation Documentation
- Amazon Elastic Compute Cloud resource type reference
- Terraform Documentation
- AWS Provider
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You are auditing:
EC2 Instance Generation
Risk Level: Medium