Cost Optimization & FinOpsPart 25
palaniappan p1 min
Amazon ElastiCache Pricing: Node Hours, Serverless ECPU, and the Replica Multiplier (2026)
ElastiCache bills node-hours for Redis/Valkey clusters and ECPUs for Serverless. A cache.r7g.large with two replicas is 3× the primary node cost before data transfer. Serverless wins below ~$800/mo steady cache spend; provisioned nodes win above it.