Run a validation environment for a new service for only a few days.
Usage is unpredictable, and the company wants to avoid a long-term commitment.
Which EC2 purchase option is appropriate?
On-Demand Instances require no long-term commitment and fit short or unpredictable workloads.
Detailed explanation
They exchange a term commitment for a discount and provide less flexibility for a workload that lasts only a few days.
They exchange a term commitment for a discount and provide less flexibility for a workload that lasts only a few days.
They charge for consumed compute capacity without a long-term commitment, which fits this short and unpredictable workload.
They charge for consumed compute capacity without a long-term commitment, which fits this short and unpredictable workload.
Spot can be interrupted, and the scenario does not state that the validation environment can tolerate interruption.
Spot can be interrupted, and the scenario does not state that the validation environment can tolerate interruption.
They address physical-host tenancy and licensing requirements and are excessive for this short validation workload.
They address physical-host tenancy and licensing requirements and are excessive for this short validation workload.
Check official documentation
Compare the following points with the official documentation.
AWS公式のAmazon EC2料金と購入オプションを確認する。
Official references
What to confirm
短期・予測困難・コミットメント不要という条件をオンデマンドへ対応付けられる。
Key points
- On-Demand
- No long-term commitment
- Short-term usage
Notes
- Environment:
- Pricing and conditions can change. Check the current AWS pricing page for the service and Region before implementation.
Foundation review
Predictability
Prioritize flexibility for short, variable usage and compare commitments for a stable baseline.
Interruption tolerance
Use Spot only when the workload can stop and retry safely.