Engine versions and upgrading in ElastiCache

This section covers the supported Valkey, Redis OSS and Memcached engines and how to upgrade. Note that all features available with Redis OSS 7.2 are available in Valkey 7.2 and above by default. You can also upgrade from some existing ElastiCache with Redis OSS engines to a Valkey engine.

Topics

• Version Management for ElastiCache
• How to upgrade engine versions
• How to trigger cross-engine upgrade from Redis OSS to Valkey
• Supported engines and versions
• Major version behavior and compatibility differences with Valkey
• Major version behavior and compatibility differences with Redis OSS
• Resolving blocked Valkey or Redis OSS engine upgrades