Configure autoscaling in a managed instance group (MIG)
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Configure autoscaling based on CPU utilization in a zonal MIG.
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For detailed documentation that includes this code sample, see the following:
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[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis configuration uses Terraform to set up autoscaling for a zonal Managed Instance Group (MIG).\u003c/p\u003e\n"],["\u003cp\u003eThe autoscaling policy is configured to adjust the MIG's size based on CPU utilization, targeting 60% CPU usage.\u003c/p\u003e\n"],["\u003cp\u003eThe autoscaler can scale the MIG up to a maximum of 20 instances and down to a minimum of 0 instances.\u003c/p\u003e\n"],["\u003cp\u003eThe autoscaler has a cooldown period of 90 seconds between scaling adjustments.\u003c/p\u003e\n"]]],[],null,["# Configure autoscaling in a managed instance group (MIG)\n\nConfigure autoscaling based on CPU utilization in a zonal MIG.\n\nExplore further\n---------------\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Create a MIG with autoscaling enabled](/compute/docs/instance-groups/create-mig-with-basic-autoscaling)\n\nCode sample\n-----------\n\n### Terraform\n\n\nTo learn how to apply or remove a Terraform configuration, see\n[Basic Terraform commands](/docs/terraform/basic-commands).\n\n\nFor more information, see the\n[Terraform provider reference documentation](https://registry.terraform.io/providers/hashicorp/google/latest/docs).\n\n resource \"google_compute_autoscaler\" \"default\" {\n name = \"example-autoscaler\"\n zone = \"us-central1-f\"\n target = google_compute_instance_group_manager.default.id\n\n autoscaling_policy {\n max_replicas = 20\n min_replicas = 0\n cooldown_period = 90\n\n cpu_utilization {\n target = 0.60\n }\n }\n }\n\nWhat's next\n-----------\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=compute)."]]