RELOPS-2375: tear down SP3 GPU perf dedicated host - #338
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The gecko-t/win11-64-25h2-gpu-perf-experiment dedicated host was added as a temporary Speedometer 3 GPU placement experiment (tagged lifecycle=temporary-test, ttl=destroy-after-experiment). It has been billing ~$172/day (~$5.2k/mo) continuously since May, including weekends, because a dedicated host bills 24/7 by reservation regardless of task load. Remove the host group and host to stop the spend. The reusable taskcluster-arm-template-dedicated-host template spec is left intact.
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Sep 14, 2026
…1211) The SP3 GPU perf experiment dedicated host has been torn down in relops_infra_as_code (mozilla-platform-ops/relops_infra_as_code#338). Remove the corresponding worker pool so worker-manager stops attempting to provision onto the now-deleted dedicated host.
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Summary
Removes the
gecko-t/win11-64-25h2-gpu-perf-experimentdedicated host (host group + host) that was added as a temporary Speedometer 3 GPU placement experiment.Why
The resource is tagged
lifecycle=temporary-test,ttl=destroy-after-experiment,purpose=speedometer3-dedicated-host-placement-test, but it was never torn down after the experiment concluded. This removes the leftover dedicated host (singleNVadsA10v5_Type1host inRG-WEST-US-3-GECKO-T), which continues to run 24/7 by reservation regardless of task load.Changes
terraform/azure_fxci/gecko-t/dedicated-host-sp3-perf.tf(host group, host, and outputs). No other references to these resources/outputs exist.taskcluster-arm-template-dedicated-hosttemplate spec intemplate_specs.tfis intentionally left intact.Landing order
Land the companion fxci-config change (removing the
gpu-perf-experimentworker pool) first so worker-manager stops placing VMs on the host, thenterraform applyhere to destroy the host.