Grafana dashboard: Nomad Server
Description: Monitor overall health, and resource usage of a Nomad cluster, Raft usage, RPC usage etc.

https://github.com/mr-karan/nomad-monitoring

{
  "__inputs": [
    {
      "name": "DS_PROMETHEUS",
      "label": "Prometheus",
      "description": "",
      "type": "datasource",
      "pluginId": "prometheus",
      "pluginName": "Prometheus"
    }
  ],
  "__elements": {},
  "__requires": [
    {
      "type": "grafana",
      "id": "grafana",
      "name": "Grafana",
      "version": "9.1.4"
    },
    {
      "type": "datasource",
      "id": "prometheus",
      "name": "Prometheus",
      "version": "1.0.0"
    },
    {
      "type": "panel",
      "id": "table",
      "name": "Table",
      "version": ""
    },
    {
      "type": "panel",
      "id": "timeseries",
      "name": "Time series",
      "version": ""
    }
  ],
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": {
          "type": "grafana",
          "uid": "-- Grafana --"
        },
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "target": {
          "limit": 100,
          "matchAny": false,
          "tags": [],
          "type": "dashboard"
        },
        "type": "dashboard"
      }
    ]
  },
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 0,
  "id": null,
  "links": [],
  "liveNow": false,
  "panels": [
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 0
      },
      "id": 2,
      "panels": [],
      "title": "Memory",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "bytes"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 7,
        "w": 9,
        "x": 0,
        "y": 1
      },
      "id": 8,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname) (nomad_runtime_alloc_bytes{cluster=\"$cluster\"})",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Memory utilization",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of objects on the heap. General memory pressure indicator",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 7,
        "w": 8,
        "x": 9,
        "y": 1
      },
      "id": 10,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname) (nomad_runtime_heap_objects{cluster=\"$cluster\"})",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Count of objects in heap",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of goroutines and general load pressure indicator",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 40,
            "gradientMode": "hue",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 7,
        "w": 7,
        "x": 17,
        "y": 1
      },
      "id": 16,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname) (nomad_runtime_num_goroutines{cluster=\"$cluster\"})",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Goroutines",
      "type": "timeseries"
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 8
      },
      "id": 12,
      "panels": [],
      "title": "Raft",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time since last contact to leader. General indicator of Raft latency",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 34,
            "gradientMode": "opacity",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 9
      },
      "id": 6,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname) (nomad_raft_leader_lastContact{cluster=\"$cluster\",quantile=\"0.99\"})",
          "legendFormat": "p99 - {{hostname}}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Raft Last Contact",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of Raft transactions",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "short"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 9
      },
      "id": 20,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname) (rate(nomad_raft_appliedIndex{cluster=\"$cluster\"}[1m]))",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Raft Transactions",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time elapsed to write log, mark in flight, and start replication",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "opacity",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "line"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "text",
                "value": null
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "Logs"
            },
            "properties": [
              {
                "id": "unit",
                "value": "short"
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "Time"
            },
            "properties": [
              {
                "id": "thresholds",
                "value": {
                  "mode": "absolute",
                  "steps": [
                    {
                      "color": "green",
                      "value": null
                    },
                    {
                      "color": "light-orange",
                      "value": 200
                    },
                    {
                      "color": "red",
                      "value": 500
                    }
                  ]
                }
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 8,
        "w": 9,
        "x": 0,
        "y": 17
      },
      "id": 22,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "table",
          "placement": "right",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "pluginVersion": "8.1.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "nomad_raft_leader_dispatchLog{cluster=\"$cluster\",quantile=\"0.9\"}",
          "hide": false,
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "Time",
          "range": true,
          "refId": "C"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "increase(nomad_raft_leader_dispatchNumLogs{cluster=\"$cluster\"}[$__rate_interval])",
          "hide": false,
          "interval": "",
          "legendFormat": "Logs",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Raft Dispatch Log",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time elapsed to broadcast gossip messages",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 49,
            "gradientMode": "hue",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "ns"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 7,
        "x": 9,
        "y": 17
      },
      "id": 46,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname)  (rate(nomad_memberlist_gossip_sum{cluster=\"$cluster\"}[5m]))\n/\n  sum by (hostname) (rate(nomad_memberlist_gossip_count{cluster=\"$cluster\"}[5m]))",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Memberlist Gossip",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of Raft transactions - general indicator of the write load on the servers.",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "opacity",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "stepBefore",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "decimals": 0,
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              }
            ]
          },
          "unit": "none"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 16,
        "y": 17
      },
      "id": 26,
      "options": {
        "legend": {
          "calcs": [
            "mean",
            "max",
            "lastNotNull"
          ],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "pluginVersion": "8.1.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "increase(nomad_raft_apply{cluster=\"$cluster\"}[$__rate_interval])",
          "interval": "",
          "legendFormat": "{{ instance }}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Raft Apply Count",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time difference between when a message was first passed into Raft and when the resulting commit took place on the leader",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "opacity",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "line"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green"
              },
              {
                "color": "yellow",
                "value": 100
              },
              {
                "color": "red",
                "value": 500
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 0,
        "y": 25
      },
      "id": 24,
      "options": {
        "legend": {
          "calcs": [
            "mean",
            "max",
            "lastNotNull"
          ],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "pluginVersion": "8.1.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "nomad_raft_commitTime{cluster=\"$cluster\",quantile=\"0.9\"}",
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "{{ instance }}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Raft Commit Time",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "The time it takes for a Raft transaction to be replicated to a quorum of followers",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "opacity",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "line"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green"
              },
              {
                "color": "yellow",
                "value": 100
              },
              {
                "color": "red",
                "value": 500
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 8,
        "y": 25
      },
      "id": 28,
      "options": {
        "legend": {
          "calcs": [
            "mean",
            "max",
            "lastNotNull"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "pluginVersion": "8.1.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "nomad_raft_rpc_appendEntries{cluster=\"$cluster\",quantile=\"0.9\"}",
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "{{ instance }}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Raft Append Entries",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time it takes for a server to apply Raft entries to the internal state machine.",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 30,
            "gradientMode": "opacity",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "never",
            "spanNulls": true,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "line"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green"
              },
              {
                "color": "yellow",
                "value": 100
              },
              {
                "color": "red",
                "value": 500
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 16,
        "y": 25
      },
      "id": 30,
      "options": {
        "legend": {
          "calcs": [
            "mean",
            "max",
            "lastNotNull"
          ],
          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "multi",
          "sort": "none"
        }
      },
      "pluginVersion": "8.1.0",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "nomad_raft_fsm_apply{cluster=\"$cluster\",quantile=\"0.9\"}",
          "interval": "",
          "intervalFactor": 1,
          "legendFormat": "{{ instance }}",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "Raft FSM apply",
      "type": "timeseries"
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 33
      },
      "id": 40,
      "panels": [],
      "title": "RPC",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of RPC requests being handled",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 50,
            "gradientMode": "hue",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green"
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 0,
        "y": 34
      },
      "id": 42,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname) (rate(nomad_nomad_rpc_request{cluster=\"$cluster\"}[1m]))",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "RPC Requests",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of RPC queries",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 50,
            "gradientMode": "hue",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green"
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 8,
        "y": 34
      },
      "id": 43,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname) (rate(nomad_nomad_rpc_query{cluster=\"$cluster\"}[1m]))",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "RPC Queries",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of RPC requests being handled that result in an error",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 50,
            "gradientMode": "hue",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green"
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 8,
        "x": 16,
        "y": 34
      },
      "id": 44,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (hostname) (rate(nomad_nomad_rpc_request_error{cluster=\"$cluster\"}[1m]))",
          "legendFormat": "__auto",
          "range": true,
          "refId": "A"
        }
      ],
      "title": "RPC Errors",
      "type": "timeseries"
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 42
      },
      "id": 14,
      "panels": [],
      "title": "Evaluations",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green"
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 9,
        "w": 24,
        "x": 0,
        "y": 43
      },
      "id": 18,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (cluster) (nomad_nomad_broker_total_blocked{cluster=\"$cluster\"})",
          "legendFormat": "Blocked",
          "range": true,
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (cluster) (nomad_nomad_broker_total_ready{cluster=\"$cluster\"})",
          "hide": false,
          "legendFormat": "Ready",
          "range": true,
          "refId": "B"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "sum by (cluster) (nomad_nomad_broker_total_unacked{cluster=\"$cluster\"})",
          "hide": false,
          "legendFormat": "Pending",
          "range": true,
          "refId": "C"
        }
      ],
      "title": "Evaluations",
      "type": "timeseries"
    },
    {
      "collapsed": false,
      "gridPos": {
        "h": 1,
        "w": 24,
        "x": 0,
        "y": 52
      },
      "id": 34,
      "panels": [],
      "title": "Vault",
      "type": "row"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time to live for Vault token",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "custom": {
            "align": "auto",
            "displayMode": "auto",
            "inspect": false
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "red"
              },
              {
                "color": "#EAB839",
                "value": 172800010
              },
              {
                "color": "green",
                "value": 345600000
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "TTL"
            },
            "properties": [
              {
                "id": "custom.displayMode",
                "value": "color-background"
              },
              {
                "id": "color",
                "value": {
                  "mode": "thresholds"
                }
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "hostname"
            },
            "properties": [
              {
                "id": "custom.width",
                "value": 311
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 5,
        "w": 8,
        "x": 0,
        "y": 53
      },
      "id": 32,
      "options": {
        "footer": {
          "fields": "",
          "reducer": [
            "sum"
          ],
          "show": false
        },
        "showHeader": true,
        "sortBy": []
      },
      "pluginVersion": "9.1.4",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": false,
          "expr": "nomad_nomad_vault_token_ttl{cluster=\"$cluster\"}",
          "format": "table",
          "instant": true,
          "interval": "",
          "legendFormat": "ttl",
          "refId": "A"
        }
      ],
      "title": "Server token TTL",
      "transformations": [
        {
          "id": "organize",
          "options": {
            "excludeByName": {
              "Time": true,
              "__name__": true,
              "cluster": true,
              "env": true,
              "instance": true,
              "instance_name": true,
              "instance_private_ip": true,
              "job": true,
              "role": true,
              "service": true
            },
            "indexByName": {},
            "renameByName": {
              "Value #A": "TTL",
              "instance": ""
            }
          }
        }
      ],
      "type": "table"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time since last successful Vault token renewal",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "custom": {
            "align": "auto",
            "displayMode": "auto",
            "inspect": false
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "red"
              },
              {
                "color": "#EAB839",
                "value": 172800010
              },
              {
                "color": "green",
                "value": 345600000
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "TTL"
            },
            "properties": [
              {
                "id": "custom.displayMode",
                "value": "color-background"
              },
              {
                "id": "color",
                "value": {
                  "mode": "thresholds"
                }
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "hostname"
            },
            "properties": [
              {
                "id": "custom.width",
                "value": 311
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 5,
        "w": 8,
        "x": 8,
        "y": 53
      },
      "id": 35,
      "options": {
        "footer": {
          "fields": "",
          "reducer": [
            "sum"
          ],
          "show": false
        },
        "showHeader": true,
        "sortBy": []
      },
      "pluginVersion": "9.1.4",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": false,
          "expr": "nomad_nomad_vault_token_last_renewal{cluster=\"$cluster\"}",
          "format": "table",
          "instant": true,
          "interval": "",
          "legendFormat": "ttl",
          "refId": "A"
        }
      ],
      "title": "Token Last Renew",
      "transformations": [
        {
          "id": "organize",
          "options": {
            "excludeByName": {
              "Time": true,
              "__name__": true,
              "cluster": true,
              "env": true,
              "instance": true,
              "instance_name": true,
              "instance_private_ip": true,
              "job": true,
              "role": true,
              "service": true
            },
            "indexByName": {},
            "renameByName": {
              "Value #A": "TTL",
              "instance": ""
            }
          }
        }
      ],
      "type": "table"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time until next Vault token renewal attempt",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "thresholds"
          },
          "custom": {
            "align": "auto",
            "displayMode": "auto",
            "inspect": false
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "red"
              },
              {
                "color": "#EAB839",
                "value": 172800010
              },
              {
                "color": "green",
                "value": 345600000
              }
            ]
          },
          "unit": "ms"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "TTL"
            },
            "properties": [
              {
                "id": "custom.displayMode",
                "value": "color-background"
              },
              {
                "id": "color",
                "value": {
                  "mode": "thresholds"
                }
              }
            ]
          },
          {
            "matcher": {
              "id": "byName",
              "options": "hostname"
            },
            "properties": [
              {
                "id": "custom.width",
                "value": 311
              }
            ]
          }
        ]
      },
      "gridPos": {
        "h": 5,
        "w": 8,
        "x": 16,
        "y": 53
      },
      "id": 36,
      "options": {
        "footer": {
          "fields": "",
          "reducer": [
            "sum"
          ],
          "show": false
        },
        "showHeader": true,
        "sortBy": []
      },
      "pluginVersion": "9.1.4",
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": false,
          "expr": "nomad_nomad_vault_token_next_renewal{cluster=\"$cluster\"}",
          "format": "table",
          "instant": true,
          "interval": "",
          "legendFormat": "ttl",
          "refId": "A"
        }
      ],
      "title": "Token Next Renew",
      "transformations": [
        {
          "id": "organize",
          "options": {
            "excludeByName": {
              "Time": true,
              "__name__": true,
              "cluster": true,
              "env": true,
              "instance": true,
              "instance_name": true,
              "instance_private_ip": true,
              "job": true,
              "role": true,
              "service": true
            },
            "indexByName": {},
            "renameByName": {
              "Value #A": "TTL",
              "instance": ""
            }
          }
        }
      ],
      "type": "table"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Time elapsed to manipulate Vault tokens",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green"
              }
            ]
          },
          "unit": "ns"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 7,
        "w": 24,
        "x": 0,
        "y": 58
      },
      "id": 38,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "nomad_nomad_vault_create_token{cluster=\"$cluster\",quantile=\"0.9\"}",
          "interval": "",
          "legendFormat": "create",
          "range": true,
          "refId": "A"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "nomad_nomad_vault_lookup_token{cluster=\"$cluster\",quantile=\"0.9\"}",
          "hide": false,
          "interval": "",
          "legendFormat": "lookup",
          "range": true,
          "refId": "B"
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "exemplar": true,
          "expr": "nomad_nomad_vault_revoke_token{cluster=\"$cluster\",quantile=\"0.9\"}",
          "hide": false,
          "interval": "",
          "legendFormat": "revoke",
          "range": true,
          "refId": "C"
        }
      ],
      "title": "Tokens",
      "type": "timeseries"
    }
  ],
  "schemaVersion": 37,
  "style": "dark",
  "tags": [],
  "templating": {
    "list": [
      {
        "current": {
          "selected": false,
          "text": "Prometheus",
          "value": "Prometheus"
        },
        "hide": 0,
        "includeAll": false,
        "label": "datasource",
        "multi": false,
        "name": "DS_PROMETHEUS",
        "options": [],
        "query": "prometheus",
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "type": "datasource"
      },
      {
        "current": {},
        "datasource": {
          "type": "prometheus",
          "uid": "${DS_PROMETHEUS}"
        },
        "definition": "label_values(nomad_client_uptime, cluster)",
        "hide": 0,
        "includeAll": false,
        "label": "Cluster",
        "multi": false,
        "name": "cluster",
        "options": [],
        "query": {
          "query": "label_values(nomad_client_uptime, cluster)",
          "refId": "StandardVariableQuery"
        },
        "refresh": 1,
        "regex": "",
        "skipUrlSync": false,
        "sort": 0,
        "type": "query"
      }
    ]
  },
  "time": {
    "from": "now-6h",
    "to": "now"
  },
  "timepicker": {},
  "timezone": "",
  "title": "Nomad Server",
  "uid": "xDnB_0G4z",
  "version": 1,
  "weekStart": "",
  "gnetId": 16924,
  "description": "Monitor overall health, and resource usage of a Nomad cluster, Raft usage, RPC usage etc."
}