Policy names are prefixed with AWS Elasticache –
Policy name Duration Condition 1 (and) Condition 2 Category Description Memcached – CPU Threshold Exceeded 5 min aws.elasticache.cpuutilization has a static threshold >90% CRITICAL The Memcached Node has exceeded the CPU threshold of 90%. The cache cluster may need to be scaled, either by using a larger node type or by adding more nodes.
Elasticache instances can come in a few “flavors”, which means metrics are unique to each “flavor” of Elasticache.
Host-level metrics are present on both Memcached as well as Redis clusters Memcached metrics are available only on Memcached clusters, Memcached 1.4.14 metrics are only available on Memcached clusters using at least version 1.4.14 Redis metrics are present only on Redis clusters. Collected Metric Type Fully Qualified Name (FQN) AWS Metric Statistic Units Max BASE CORR UTIL Host-level aws.