ElastiCache clusters should use the latest engine version available

elasticache
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Description

Ensure that your Amazon ElastiCache cluster is running the latest stable version of the Redis or Memcached cache engine. Upgrading to the latest version provides access to essential security patches, bug fixes, enhanced performance, and improved memory management, helping to maintain the reliability and security of your caching infrastructure.

Remediation

To upgrade your ElastiCache cluster or replication group to the latest engine version, please refer to the Upgrading Engine Versions documentation. This guide provides step-by-step instructions for modifying your cluster settings through the AWS Management Console, ensuring a smooth transition to the updated version.