Grafana dashboard: Nginx Statistics
Description: Dashboard for Nginx Statistics. 


Exporter: https://github.com/discordianfish/nginx_exporter

{
  "__inputs": [
    {
      "name": "DS_PROMETHEUS",
      "label": "prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }
  ],
  "__requires": [
    {
      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "5.2.4"
    },
    {
      "type": "panel",
      "id": "graph",
      "name": "Graph",
      "version": "5.0.0"
    },
    {
      "type": "datasource",
      "id": "prometheus",
      "name": "Prometheus",
      "version": "5.0.0"
    }
  ],
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": "-- Grafana --",
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
      }
    ]
  },
  "description": "Dashboard for Nginx Statistics. ",
  "editable": true,
  "gnetId": 8226,
  "graphTooltip": 0,
  "id": null,
  "iteration": 1538651831405,
  "links": [],
  "panels": [
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "decimals": 0,
      "fill": 1,
      "gridPos": {
        "h": 10,
        "w": 12,
        "x": 0,
        "y": 0
      },
      "id": 2,
      "legend": {
        "alignAsTable": true,
        "avg": true,
        "current": true,
        "max": true,
        "min": true,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "alias": "",
          "expr": "nginx_connections_current{instance=\"$instance\", state=\"active\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{state}} (Active client connections including Waiting connections)",
          "rawSql": "SELECT\n  $__time(time_column),\n  value1\nFROM\n  metric_table\nWHERE\n  $__timeFilter(time_column)\n",
          "refId": "A"
        },
        {
          "expr": "nginx_connections_current{instance=\"$instance\", state=\"reading\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{state}} (Connections where nginx is reading the request header)",
          "refId": "B"
        },
        {
          "expr": "nginx_connections_current{instance=\"$instance\", state=\"writing\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{state}} (Connections where nginx is writing the response back to the client)",
          "refId": "D"
        },
        {
          "expr": "nginx_connections_current{instance=\"$instance\", state=\"waiting\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{state}} (Idle client connections waiting for a request)",
          "refId": "C"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Connections",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "decimals": 0,
          "format": "none",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "description": "",
      "fill": 1,
      "gridPos": {
        "h": 10,
        "w": 12,
        "x": 12,
        "y": 0
      },
      "id": 4,
      "legend": {
        "alignAsTable": true,
        "avg": true,
        "current": true,
        "max": true,
        "min": true,
        "show": true,
        "total": false,
        "values": true
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "irate(nginx_connections_processed_total{instance=\"$instance\", stage=\"handled\"}[5m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{stage}} (Handled connections)",
          "refId": "C"
        },
        {
          "expr": "irate(nginx_connections_processed_total{instance=\"$instance\", stage=\"accepted\"}[5m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{stage}} (Accepted client connections.)",
          "refId": "B"
        },
        {
          "expr": "irate(nginx_connections_processed_total{instance=\"$instance\", stage=\"any\"}[5m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "{{stage}} (Client requests)",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Processed Connections",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "decimals": null,
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    }
  ],
  "schemaVersion": 16,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": [
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS_PROMETHEUS}",
        "hide": 0,
        "includeAll": false,
        "label": "Instance",
        "multi": false,
        "name": "instance",
        "options": [],
        "query": "label_values(nginx_connections_current, instance)",
        "refresh": 1,
        "regex": "",
        "sort": 1,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      }
    ]
  },
  "time": {
    "from": "now-6h",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ],
    "time_options": [
      "5m",
      "15m",
      "1h",
      "6h",
      "12h",
      "24h",
      "2d",
      "7d",
      "30d"
    ]
  },
  "timezone": "",
  "title": "Nginx Statistics",
  "uid": "hp8BMi1mz",
  "version": 1
}