Reserved Instances
What Is Amazon ElastiCache? The Complete 2026 Guide
Amazon ElastiCache is a fully managed in-memory data store service on AWS. It stores data in RAM rather than on disk, which is the fundamental reason it exists: reading 1 MB of ...
RDS Oracle Reserved Instances: BYOL, License-Included and the Hidden Costs to Know First
Oracle is the most expensive engine on Amazon RDS. The License Included SE2 hourly rate on a db.r6i.large is approximately $0.70/hr — nearly three times the cost of the same instance running ...
Azure Savings Plan vs Reserved Instances: Which One Actually Saves More?
Both Azure Savings Plans and Reserved Instances reduce your Azure compute bill by committing to a term. Both require 1-year or 3-year commitments. Both apply discounts automatically without changing your infrastructure. The ...
RDS MySQL RI Size Flexibility: How Instance Normalization Saves You Money
Most guides explain that RDS MySQL reserved instances are size-flexible. Few explain exactly what that means in practice, and almost none explain the part that actually changes how you should buy them: ...
RDS Reserved Instances: Engine-by-Engine Pricing and Commitment Guide
Every RDS instance running on-demand is paying the highest rate AWS offers for that database. RDS reserved instance pricing cuts that rate by 29% on the lowest 1-year commitment to 69% on ...

