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Triage ASG Underutilization Detection UNDERUTILIZED_ASG

  1. Configure ASG Underutilization Detection
  2. Use Case for ASG Underutilization Detection
  3. Triage Guides by Violation Type
    1. Triage ASG Underutilization Detection UNDERUTILIZED_ASG

UNDERUTILIZED_ASG Triage Guide

0) Understand Why should I care about fixing this issue? Fixing underutilized ASGs can lead to cost savings and more efficient resource use.

1) Validate How am I sure that this alert is true and accurate? What is the data source for this policy? Data is derived from CloudWatch metrics and Auto Scaling Group descriptions. You can verify utilization by checking CloudWatch metrics manually. Does this policy scan on a schedule or is it Reactive? If so, when? It scans on a schedule defined in the policy (bi-daily).

2) Triage What is the impact if it is unfixed? Does this problem get worse over time if it is unaddressed? Cost inefficiencies may continue or worsen over time. Can remediation cause outages or downtime to any other running service? Remediation should not cause outages if performed during off-peak hours or with careful planning.

3) Act What do I do to fix this alarm? Consider scaling down the ASG or adjusting configurations to match the typical workload.

4) Reflect What should I do if this alarm wasn't a good use of time? Adjust thresholds to better suit your usage patterns or disable the policy if it's not applicable to your environment.