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ElastiCache cluster (standalone) should be upgraded to a replication group

AWS_ELASTICACHE_005 MEDIUM Reliability

What it checks

ElastiCache cluster (standalone) should be upgraded to a replication group

Where it applies

Terraform: aws_elasticache_cluster

CloudFormation: AWS::ElastiCache::CacheCluster

How to fix it

  1. Replace the aws_elasticache_cluster with an aws_elasticache_replication_group with at least 2 nodes, auto-failover, TLS, and auth token.

Frameworks

These mappings are advisory, not an attestation of compliance.

Vendor documentation

All rules