Grafana dashboard: NATS
Description: Collection of NATS metrics https://nats.io/ using telegraf

Start the NATS server with monitoring enabled.  
gnatsd -m 8222


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          "refId": "A",
          "resultFormat": "time_series",
          "select": [
            [
              {
                "params": [
                  "out_msgs"
                ],
                "type": "field"
              }
            ]
          ],
          "tags": [
            {
              "key": "host",
              "operator": "=~",
              "value": "/^$host$/"
            }
          ]
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Msgs Out",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
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          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    }
  ],
  "refresh": "30s",
  "schemaVersion": 16,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": [
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS_TELEGRAF-INFLUXDB}",
        "hide": 0,
        "includeAll": false,
        "label": "host",
        "multi": false,
        "name": "host",
        "options": [],
        "query": "SHOW TAG VALUES FROM \"httpjson_natsvarz\" WITH KEY = \"host\" WHERE \"host\" =~ /dev\\-.*/",
        "refresh": 1,
        "regex": "",
        "sort": 0,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      }
    ]
  },
  "time": {
    "from": "now-12h",
    "to": "now"
  },
  "timepicker": {
    "refresh_intervals": [
      "5s",
      "10s",
      "30s",
      "1m",
      "5m",
      "15m",
      "30m",
      "1h",
      "2h",
      "1d"
    ],
    "time_options": [
      "5m",
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      "6h",
      "12h",
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  },
  "timezone": "",
  "title": "NATS",
  "uid": "drgbiAMmz",
  "version": 22,
  "description": "Collection of NATS metrics https://nats.io/ using telegraf"
}