[
  {
    "id": "Virtual-Database-Root",
    "configuration": {
      "children": [
        {
          "x": 0,
          "y": 2,
          "w": 24,
          "h": 52,
          "i": "0",
          "type": "Widget",
          "widget": {
            "title": "Virtual Database"
          },
          "graph": {
            "type": "ServiceList",
            "dashboardName": "Virtual-Database-Service",
            "fontSize": 12,
            "showXAxis": false,
            "showYAxis": false,
            "showGroup": false
          },
          "metricConfig": [
            {
              "label": "Latency",
              "detailLabel": "latency",
              "unit": "ms"
            },
            {
              "label": "Successful Rate",
              "detailLabel": "successful_rate",
              "unit": "%"
            },
            {
              "label": "Traffic",
              "detailLabel": "traffic",
              "unit": "calls / min"
            }
          ],
          "expressions": [
            "avg(database_access_resp_time)",
            "avg(database_access_sla)/100",
            "avg(database_access_cpm)"
          ],
          "subExpressions": [
            "database_access_resp_time",
            "database_access_sla/100",
            "database_access_cpm"
          ]
        },
        {
          "x": 0,
          "y": 0,
          "w": 24,
          "h": 2,
          "i": "100",
          "type": "Text",
          "graph": {
            "fontColor": "theme",
            "backgroundColor": "theme",
            "content": "Observe the Virtual Database which is conjectured by language agent through various plugins.",
            "fontSize": 14,
            "textAlign": "left",
            "url": "https://skywalking.apache.org/docs/main/next/en/setup/service-agent/virtual-database/"
          }
        }
      ],
      "id": "Virtual-Database-Root",
      "layer": "VIRTUAL_DATABASE",
      "entity": "All",
      "name": "Virtual-Database-Root",
      "isRoot": true
    }
  }
]
