{
  "layouts": [
    {
      "layout_name": "default_system_heatmap",
      "display_name": "Heatmaps",
      "section_name": "SYSTEM_HEATMAPS",
      "widgetLayoutInfo": [
        {
          "widget_name": "Host Disk Space Used %",
          "description": "",
          "widget_type": "HEATMAP",
          "is_visible": true,
          "metrics": [
            {
              "name": "disk_free",
              "metric_path": "metrics/disk/disk_free",
              "service_name": "STACK"
            },
            {
              "name": "disk_total",
              "metric_path": "metrics/disk/disk_total",
              "service_name": "STACK"
            }
          ],
          "values": [
            {
              "name": "Host Disk Space Used %",
              "value": "${((disk_total - disk_free)/disk_total)*100}"
            }
          ],
          "properties": {
            "display_unit": "%",
            "max_limit": "100"
          }
        },
        {
          "widget_name": "Host Memory Used %",
          "description": "",
          "widget_type": "HEATMAP",
          "is_visible": false,
          "metrics": [
            {
              "name": "mem_total",
              "metric_path": "metrics/memory/mem_total",
              "service_name": "STACK"
            },
            {
              "name": "mem_free",
              "metric_path": "metrics/memory/mem_free",
              "service_name": "STACK"
            },
            {
              "name": "mem_cached",
              "metric_path": "metrics/memory/mem_cached",
              "service_name": "STACK"
            }
          ],
          "values": [
            {
              "name": "Host Memory Used %",
              "value": "${((mem_total - mem_free - mem_cached)/mem_total)*100}"
            }
          ],
          "properties": {
            "display_unit": "%",
            "max_limit": "100"
          }
        },
        {
          "widget_name": "Host CPU Wait IO %",
          "description": "",
          "widget_type": "HEATMAP",
          "is_visible": false,
          "metrics": [
            {
              "name": "cpu_wio",
              "metric_path": "metrics/cpu/cpu_wio",
              "service_name": "STACK"
            }
          ],
          "values": [
            {
              "name": "Host Memory Used %",
              "value": "${cpu_wio*100}"
            }
          ],
          "properties": {
            "display_unit": "%",
            "max_limit": "100"
          }
        }
      ]
    }
  ]
}