You are running a steady, predictable application workload on AWS that requires consistent performance over the next year. Which compute purchasing option is the MOST cost-effective for your needs?
On-Demand Instances
Dedicated Hosts
Reserved Instances
Spot Instances
Using Reserved Instances (RIs) for a steady, predictable application workload is typically the most cost-effective option because it offers significant discounts compared to On-Demand Instances when you commit to a one or three-year term. On-Demand Instances are better suited for unpredictable workloads, and Spot Instances are ideal for flexible workloads that can handle interruptions. Dedicated Hosts are used when you need physical server isolation, which is not necessary for most steady workloads.
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