What triggers this finding
An ElastiCache cluster with near-zero cache hits, connections, or CPU utilization over the lookback window.
Typical fix
Delete the cluster if the cache is no longer needed, or scale down to the smallest viable node type.
Example savings
Often 100% of node charges — typically $15–$200+/month depending on node type and replica count.
See also: Severity and savings estimates for how Parsivex calculates figures on your report.