Ensure that all the Amazon ElastiCache cache clusters provisioned in your AWS account are using the latest generation of cache node types in order to get the best performance with lower costs. If you are using cache nodes from the previous generation, Trend Micro Cloud One™ – Conformity strongly recommends that you upgrade your nodes with their latest generation equivalents.
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 latest generation of Amazon ElastiCache cluster nodes instead of the previous generation nodes has tangible benefits such as better hardware performance (more computing capacity and faster CPUs, memory optimization, superior I/O, and higher network throughput), better support for the newest Redis/Memcached engine versions, and lower costs for CPU, memory, and storage.
Audit
To determine if there are any ElastiCache clusters running on cache nodes from the previous generation available in your AWS cloud account, perform the following actions:
Remediation / Resolution
To upgrade your previous generation Amazon ElastiCache cluster nodes to their latest generation equivalents, perform the following actions:
References
- AWS Documentation
- Amazon ElastiCache pricing
- Previous Generation Nodes
- Supported node types
- What is Amazon ElastiCache for Redis?
- AWS Command Line Interface (CLI) Documentation
- describe-cache-clusters
- modify-cache-cluster
- modify-replication-group
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You are auditing:
ElastiCache Instance Generation
Risk Level: Medium