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

### Exporter
This dashboard uses the following exporter metrics.
  - [https://github.com/wrouesnel/postgres_exporter](https://github.com/wrouesnel/postgres_exporter)

### Variables
This dashboard requires the following Variables.
- $instance - Instance Name
- $db - Database Name

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        {
          "expr": "irate(pg_stat_bgwriter_checkpoint_sync_time{instance=\"$instance\"}[5m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "sync_time - Total amount of time that has been spent in the portion of checkpoint processing where files are synchronized to disk.",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Checkpoint Stats",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "ms",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        },
        {
          "format": "short",
          "label": null,
          "logBase": 1,
          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    }
  ],
  "schemaVersion": 16,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": [
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS_PROMETHEUS}",
        "hide": 0,
        "includeAll": false,
        "label": "Instance",
        "multi": false,
        "name": "instance",
        "options": [],
        "query": "label_values(pg_up, instance)",
        "refresh": 1,
        "regex": "",
        "sort": 1,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      },
      {
        "allValue": null,
        "current": {},
        "datasource": "${DS_PROMETHEUS}",
        "hide": 0,
        "includeAll": false,
        "label": "Database",
        "multi": false,
        "name": "db",
        "options": [],
        "query": "label_values(pg_stat_database_tup_fetched{datname!~\"template.*|postgres\"},datname)",
        "refresh": 1,
        "regex": "",
        "sort": 1,
        "tagValuesQuery": "",
        "tags": [],
        "tagsQuery": "",
        "type": "query",
        "useTags": false
      }
    ]
  },
  "time": {
    "from": "now-30m",
    "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": "PostgreSQL Statistics",
  "version": 18,
  "description": "Dashboard for PostgreSQL Statistics."
}