Grafana dashboard: Graylog
Description: A Graylog dashboard

Mostly copied from https://grafana.com/dashboards/2549

You'll need the graylog metrics plugin : https://github.com/graylog-labs/graylog-plugin-metrics-reporter

{
  "__inputs": [
    {
      "name": "DS_PROMETHEUS",
      "label": "prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }
  ],
  "__requires": [
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      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "5.2.1"
    },
    {
      "type": "panel",
      "id": "graph",
      "name": "Graph",
      "version": "5.0.0"
    },
    {
      "type": "datasource",
      "id": "prometheus",
      "name": "Prometheus",
      "version": "5.0.0"
    },
    {
      "type": "panel",
      "id": "singlestat",
      "name": "Singlestat",
      "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"
      }
    ]
  },
  "editable": true,
  "gnetId": 6787,
  "graphTooltip": 0,
  "id": null,
  "links": [],
  "panels": [
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 6,
      "panels": [],
      "title": "Buffers",
      "type": "row"
    },
    {
      "aliasColors": {},
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      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "fill": 1,
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        "h": 9,
        "w": 8,
        "x": 0,
        "y": 1
      },
      "id": 8,
      "legend": {
        "avg": false,
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        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "org_graylog2_buffers_input_usage\n",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Usage",
          "refId": "A"
        },
        {
          "expr": "org_graylog2_buffers_input_size",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Max",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Input Buffer",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
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        "show": true,
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      },
      "yaxes": [
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          "max": null,
          "min": "0",
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          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
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      }
    },
    {
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      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "fill": 1,
      "gridPos": {
        "h": 9,
        "w": 8,
        "x": 8,
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      },
      "id": 10,
      "legend": {
        "avg": false,
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        "total": false,
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      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "org_graylog2_buffers_process_usage\n",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Usage",
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        },
        {
          "expr": "org_graylog2_buffers_process_size",
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          "legendFormat": "Max",
          "refId": "B"
        }
      ],
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      "timeShift": null,
      "title": "Process Buffer",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
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        "show": true,
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          "min": "0",
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          "show": true
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      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
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      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
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        "w": 8,
        "x": 16,
        "y": 1
      },
      "id": 9,
      "legend": {
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        "max": false,
        "min": false,
        "show": true,
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        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "org_graylog2_buffers_output_usage\n",
          "format": "time_series",
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          "legendFormat": "Usage",
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        },
        {
          "expr": "org_graylog2_buffers_output_size",
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          "legendFormat": "Max",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Output Buffer",
      "tooltip": {
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        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
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      },
      "yaxes": [
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          "max": null,
          "min": "0",
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        },
        {
          "format": "short",
          "label": null,
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          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 10
      },
      "id": 4,
      "panels": [],
      "title": "Messages",
      "type": "row"
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "fill": 1,
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        "h": 9,
        "w": 12,
        "x": 0,
        "y": 11
      },
      "id": 2,
      "legend": {
        "avg": false,
        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "rate(org_graylog2_throughput_input [1m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Input",
          "refId": "A"
        },
        {
          "expr": "rate(org_graylog2_throughput_input [1m])",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Output",
          "refId": "B"
        }
      ],
      "thresholds": [
        {
          "colorMode": "critical",
          "fill": true,
          "line": true,
          "op": "gt",
          "value": 3000,
          "yaxis": "left"
        },
        {
          "colorMode": "warning",
          "fill": true,
          "line": true,
          "op": "gt",
          "value": 2000,
          "yaxis": "left"
        }
      ],
      "timeFrom": null,
      "timeShift": null,
      "title": "Messages received",
      "tooltip": {
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        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
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        "values": []
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          "min": "0",
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        },
        {
          "format": "short",
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          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "fill": 1,
      "gridPos": {
        "h": 9,
        "w": 12,
        "x": 12,
        "y": 11
      },
      "id": 12,
      "legend": {
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        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "org_graylog2_journal_append_1_sec_rate",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "append",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Messages appended to disk",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
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          "min": "0",
          "show": true
        },
        {
          "format": "short",
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          "max": null,
          "min": null,
          "show": true
        }
      ],
      "yaxis": {
        "align": false,
        "alignLevel": null
      }
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 20
      },
      "id": 14,
      "panels": [],
      "title": "System",
      "type": "row"
    },
    {
      "cacheTimeout": null,
      "colorBackground": false,
      "colorValue": false,
      "colors": [
        "#299c46",
        "rgba(237, 129, 40, 0.89)",
        "#d44a3a"
      ],
      "datasource": "${DS_PROMETHEUS}",
      "format": "percentunit",
      "gauge": {
        "maxValue": 1,
        "minValue": 0,
        "show": true,
        "thresholdLabels": false,
        "thresholdMarkers": true
      },
      "gridPos": {
        "h": 8,
        "w": 4,
        "x": 0,
        "y": 21
      },
      "id": 16,
      "interval": null,
      "links": [],
      "mappingType": 1,
      "mappingTypes": [
        {
          "name": "value to text",
          "value": 1
        },
        {
          "name": "range to text",
          "value": 2
        }
      ],
      "maxDataPoints": 100,
      "nullPointMode": "connected",
      "nullText": null,
      "postfix": "",
      "postfixFontSize": "50%",
      "prefix": "",
      "prefixFontSize": "50%",
      "rangeMaps": [
        {
          "from": "null",
          "text": "N/A",
          "to": "null"
        }
      ],
      "sparkline": {
        "fillColor": "rgba(31, 118, 189, 0.18)",
        "full": false,
        "lineColor": "rgb(31, 120, 193)",
        "show": true
      },
      "tableColumn": "",
      "targets": [
        {
          "expr": "org_graylog2_journal_utilization_ratio",
          "format": "time_series",
          "intervalFactor": 1,
          "refId": "A"
        }
      ],
      "thresholds": "0.3,0.8",
      "title": "Journal utilization",
      "type": "singlestat",
      "valueFontSize": "80%",
      "valueMaps": [
        {
          "op": "=",
          "text": "N/A",
          "value": "null"
        }
      ],
      "valueName": "current"
    },
    {
      "aliasColors": {},
      "bars": false,
      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "fill": 1,
      "gridPos": {
        "h": 9,
        "w": 7,
        "x": 4,
        "y": 21
      },
      "id": 18,
      "legend": {
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        "current": false,
        "max": false,
        "min": false,
        "show": true,
        "total": false,
        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "org_graylog2_journal_size",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Usage",
          "refId": "A"
        },
        {
          "expr": "org_graylog2_journal_size_limit",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Limit",
          "refId": "B"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Journal size",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
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        "mode": "time",
        "name": null,
        "show": true,
        "values": []
      },
      "yaxes": [
        {
          "format": "decbytes",
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    },
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      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "fill": 1,
      "gridPos": {
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        "w": 7,
        "x": 11,
        "y": 21
      },
      "id": 19,
      "legend": {
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        "values": false
      },
      "lines": true,
      "linewidth": 1,
      "links": [],
      "nullPointMode": "null",
      "percentage": false,
      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "jvm_memory_total_used{job=\"graylog\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Used",
          "refId": "B"
        },
        {
          "expr": "jvm_memory_total_init{job=\"graylog\"}",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Max",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Memory usage",
      "tooltip": {
        "shared": true,
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        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
        "buckets": null,
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        "show": true,
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      },
      "yaxes": [
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        },
        {
          "format": "short",
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        }
      ],
      "yaxis": {
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        "alignLevel": null
      }
    },
    {
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      "dashLength": 10,
      "dashes": false,
      "datasource": "${DS_PROMETHEUS}",
      "fill": 1,
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        "w": 6,
        "x": 18,
        "y": 21
      },
      "id": 21,
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      },
      "lines": true,
      "linewidth": 1,
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      "pointradius": 5,
      "points": false,
      "renderer": "flot",
      "seriesOverrides": [],
      "spaceLength": 10,
      "stack": false,
      "steppedLine": false,
      "targets": [
        {
          "expr": "jvm_threads_count",
          "format": "time_series",
          "intervalFactor": 1,
          "legendFormat": "Threads",
          "refId": "A"
        }
      ],
      "thresholds": [],
      "timeFrom": null,
      "timeShift": null,
      "title": "Thread counts",
      "tooltip": {
        "shared": true,
        "sort": 0,
        "value_type": "individual"
      },
      "type": "graph",
      "xaxis": {
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          "min": null,
          "show": true
        }
      ],
      "yaxis": {
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        "alignLevel": null
      }
    }
  ],
  "refresh": false,
  "schemaVersion": 16,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": []
  },
  "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": "Graylog",
  "uid": "uWFYXivmz",
  "version": 4,
  "description": "A Graylog dashboard"
}