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Underutilized or Overprovisioned AppStream Instances
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Underutilized or Overprovisioned AppStream Instances
Jason DiDomenico
Service Category
Compute
Cloud Provider
AWS
Service Name
AWS AppStream 2.0
Inefficiency Type
Underutilization
Explanation

AppStream fleets often default to instance types designed for worst-case or peak usage scenarios, even when average workloads are significantly lighter. This leads to consistently low utilization of CPU, memory, or GPU resources and inflated infrastructure costs. By right-sizing AppStream instances based on actual workload needs, organizations can reduce spend without compromising user experience.

Relevant Billing Model

AppStream 2.0 streaming instances are billed per hour based on the selected instance type, with higher-cost options providing more CPU, memory, and GPU resources. If instance types are overprovisioned relative to actual usage, customers pay for unused capacity, driving unnecessary spend.

Detection
  • Identify AppStream 2.0 fleets or stacks with consistently low CPU, memory, or GPU utilization over a representative period
  • Review instance type specifications in relation to average and peak workload demands
  • Conduct performance benchmarking or usage sampling for specific applications or user groups
  • Check whether current instance types were selected based on assumption or inherited defaults rather than workload data
Remediation
  • Right-size AppStream fleets by selecting smaller or less specialized instance types that meet current workload demands
  • Conduct performance testing after downgrading to ensure that application responsiveness and user experience are preserved
  • Update provisioning templates or fleet configurations to reflect optimized instance types going forward
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