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Commitment Utilization

Measures how efficiently your business uses cloud resources that you've already paid for or reserved, such as Reserved Instances (RIs), Committed Use Discounts (CUDs), and Savings Plans.

Definition

In cloud management, commitment utilization measures how efficiently your business uses cloud resources that you've already paid for or reserved, such as Reserved Instances (RIs), Committed Use Discounts (CUDs), and Savings Plans. By committing to a certain amount or duration of cloud usage through these discounted options—like AWS Savings Plans or Google Cloud’s Committed Use Discounts—businesses can optimize their resource allocation

To determine whether your company is fully leveraging pre-purchased or reserved cloud resources, calculate your commitment utilization rate using the formula:

Commitment Utilization (%) = (Actual Usage// Committed Amount) * 100

For example, if your organization commits to 10,000/ month in cloud resources but only consumes 9,000, the calculation would be:

($9,000 / $10,000) × 100 = 90% , 

A 90% utilization rate indicates that your company is effectively using most of its committed resources, but 10% remains unused (equivalent to $1,000 in this case). High utilization rates ideally start at 95–100%, ensuring that you maximize discounts tied to your commitments, avoid penalties for underutilization, and minimize wasted spending.

This metric is critical for balancing cost efficiency with operational needs, as unused commitments represent lost savings opportunities and potential budget drain. Regularly monitoring and optimizing this rate helps align cloud spending with actual demand, ensuring you fully capitalize on reserved pricing models.

Importance of Commitment Utilization

Commitment utilization is important because it:

  • Maximizes cost savings and ROI on pre-committed cloud spending.
  • Enhances budget predictability by reducing reliance on variable on-demand pricing.
  • Aligns cloud usage with long-term business goals, minimizing penalties for underutilized resources.
  • Avoids waste and ensures resource assurance.
  • Creates a solid foundation for efficient and cost-effective cloud operations.

Terms You Should Know:

  • Committed Use Discounts (CUDs): Discounts offered by cloud providers (e.g., AWS, GCP) for committing to a specific level of usage or spend over a period (e.g., 1–3 years).
  • Commitment: An agreement to use a minimum amount of resources or spend over time in exchange for discounted rates.
  • Utilization: The percentage of committed resources/spend actively used.
  • Resource-Based CUDs: Commitments tied to specific resources (e.g., vCPUs, memory) in a region or project.
  • Spend-Based CUDs: Commitments based on total spend (not specific resources), offering flexibility.
  • Discount Application: Discounts apply only to usage covered by the commitment.
  • Overage: Usage exceeding commitments is charged at on-demand rates.
  • Underutilization: Unused commitments lead to lost discounts and wasted spend.

Steps for Commitment Utilization:

Here are four simple steps you can take for commitment utilization:

  1. Purchase commitments (e.g., reserved instances, savings plans).
  2. Monitor usage against commitments.
  3. Calculate utilization rates and identify gaps.
  4. Optimize by adjusting commitments or reallocating resources.

Experience how Octo can help you with commitment utilization, book a demo today to learn more.

Key Metrics to Track

Here are the key metrics you need to consider for effective commitment utilization:

  • Utilization Rate: Percentage of committed cloud resources that are actively being used. It provides a clear picture of how efficiently you are leveraging your pre-purchased commitments.
  • Wasted Commitment: Unused portion of commitments that highlights areas where you might be overcommitting to resources, leading to potential cost inefficiencies.
  • Cost Savings Achieved: Compares the cost of using committed resources against the cost of using on-demand resources. It demonstrates the financial benefits you’re realizing by taking advantage of commitment-based pricing models.

Best Practices for Optimization

The key to maximizing cost savings and ensuring efficient cloud resource management is optimizing your commitment utilization. Here are some best practices to help you achieve this:

  • Monitor Continuously: Use cloud cost management tools for real-time tracking.
  • Rightsize Commitments: Align commitments with historical/ forecasted usage.
  • Leverage Hybrid Models: Mix commitments with on-demand for flexibility.
  • Automate Adjustments: Scale commitments dynamically with workload changes.

Conclusion

Commitment utilization is essential for balancing cost efficiency and operational agility in cloud environments. By tracking metrics, following best practices, and leveraging tools like Octo, businesses can maximize discounts, reduce waste, and align cloud spending with strategic goals.

Ready to unlock the full potential of your cloud commitments? Get started with Octo today!

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