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Remediation

Right-Size Overutilized Instances​

Resize the instance to a larger machine type if the workload consistently exceeds the current capacity.

Using gcloud CLI​

  1. Stop the instance:

    gcloud compute instances stop {{instance-name}} \
        --zone={{zone}}

  2. Change the machine type:

    gcloud compute instances set-machine-type {{instance-name}} \
        --machine-type={{new-machine-type}} \
        --zone={{zone}}

  3. Start the instance:

    gcloud compute instances start {{instance-name}} \
        --zone={{zone}}

Implement Autoscaling​

For workloads with variable demand, consider moving the application to a managed instance group and configuring autoscaling policies based on CPU utilization.

Considerations​

  • Verify that the selected machine type is available in the instance zone.
  • Confirm that the workload and attached resources are compatible with the new machine type.
  • Schedule resizing during a maintenance window if the instance serves production traffic.