Search for Well Architected Advice
< All Topics
Print

Implement a decommissioning process

Establishing a decommissioning process is critical for identifying and eliminating unused resources, thereby reducing financial waste and optimizing costs. This ensures resources are only available as long as they provide value, maintaining overall cost-effectiveness in cloud usage.

Best Practices

  • Regular Resource Audits: Conduct regular audits of your cloud resources to identify unused or underutilized assets. This practice allows for the timely decommissioning of resources, thus cutting unnecessary expenses while ensuring that only essential services are retained.
  • Automated Monitoring Tools: Utilize automated monitoring tools to track resource usage and set alerts for underutilized resources. By implementing automated systems, you can streamline the detection process and react promptly to optimize costs.
  • Implementation of a Decommissioning Checklist: Create a checklist for resource decommissioning that includes validation of non-utilization, backup data locations, and secure data deletion. This ensures thoroughness in the process and minimizes risk.

Supporting Questions

  • Are there processes in place to regularly review and assess resource utilization?

Roles and Responsibilities

  • Cloud Cost Manager: Responsible for overseeing cloud expenditures and ensuring that decommissioning processes are followed to reduce waste and optimize spending.
  • DevOps Engineer: In charge of implementing automation scripts for resource monitoring, alerting on unused resources, and executing decommissioning tasks as needed.

Artifacts

  • Resource Inventory Report: A document that lists all cloud resources, their utilization stats, and a schedule for resource decommissioning.
  • Decommissioning Process Workflow: A visual flowchart that outlines the steps for identifying, validating, and shutting down cloud resources.

Cloud Services

AWS

  • AWS CloudTrail: AWS CloudTrail helps monitor and log API calls across your AWS services, enabling you to track resource usage and identify those eligible for decommissioning.
  • AWS Cost Explorer: Use AWS Cost Explorer to analyze cost patterns and identify underutilized services, so you can make informed decisions about decommissioning.
  • AWS Trusted Advisor: AWS Trusted Advisor provides real-time guidance to help provision your resources following AWS best practices, including recommending unused resources that should be decommissioned.

Question: How do you decommission resources?
Pillar: Cost Optimization (Code: COST)

Table of Contents