groups:
  - name: coreweave-gpu
    rules:
      - alert: GPUUtilizationLow
        expr: avg(DCGM_FI_DEV_GPU_UTIL) < 20
        for: 30m
        labels: { severity: warning }
        annotations:
          summary: "GPU utilization below 20% for 30min -- consider scaling down"

      - alert: GPUMemoryHigh
        expr: DCGM_FI_DEV_FB_USED / (DCGM_FI_DEV_FB_USED + DCGM_FI_DEV_FB_FREE) > 0.95
        for: 5m
        labels: { severity: critical }
        annotations:
          summary: "GPU memory >95% -- risk of OOM"

      - alert: InferencePodDown
        expr: kube_deployment_status_replicas_available{deployment=~".*inference.*"} == 0
        for: 2m
        labels: { severity: critical }