Amazon ElastiCache resource types These Heat resource types represent elements on Amazon ElastiCache. To install these types into a Heat engine, see Extending an existing OpenStack engine. IBM::ElastiCache::ClusterThis resource type represents a cache cluster, which is a collection of cache nodes.IBM::ElastiCache::ParameterGroupThis resource type represents a parameter group, which is a group of parameters that you can apply to a cache cluster.IBM::ElastiCache::ReplicationGroupThis resource type represents a replication group, which is a group of cache clusters that synchronize their data. A primary cluster stores the data and one or more read replicas store copies of the data.IBM::ElastiCache::SubnetGroupThis resource type represents an Amazon ElastiCache subnet group, which is a collection of subnets for cache clusters.Parent topic: Heat resource types