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Cloud Computing & DevOps vocabulary · Cloud Cost Management

Reserved instance

Meaning in cloud computing & devops, with examples

nounAdvanced term

In cloud computing & devops, reserved instance means: Cloud capacity you commit to use for one or three years in exchange for a large discount compared with normal on-demand prices.

In Turkish: rezerve sunucu, rezerve instance, taahhütlü sunucu

How it is used

Shortened to RI. The term comes from AWS; Azure has reserved VM instances and Google Cloud has committed use discounts. AWS Savings Plans work in a similar way. Best for steady, predictable workloads.

Example sentences

  1. Our databases run all year, so we bought reserved instances for them.

  2. Before you buy a reserved instance, make sure the workload won't shrink next year.

Common collocations

  • buy reserved instances
  • reserved instance coverage
  • savings plan
  • committed use discount
  • pay-as-you-goDescribes a pricing model in which you pay only for the resources you actually use, for example by the second, hour or gigabyte, with no long-term contract.
  • spot instanceSpare cloud capacity sold at a much lower price, which the provider can take back at short notice when it needs the capacity again.
  • cost optimizationReducing cloud spending without hurting performance or reliability, for example by removing unused resources, choosing the right sizes and using discounts.
  • instanceOne running copy of a virtual server or service in the cloud. You choose its size, such as how many CPUs and how much memory it has, and pay while it runs.

This word in other fields

The same English word can have a different meaning in another field:

More terms: Cloud Cost Management

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