{
  "uid": "incus-prometheus-health",
  "title": "Prometheus Health",
  "description": "Prometheus self-monitoring: targets up/down, scrape duration, samples ingested, TSDB size, head series, WAL stats.",
  "tags": ["incus", "prometheus", "operations"],
  "timezone": "browser",
  "schemaVersion": 39,
  "refresh": "30s",
  "time": { "from": "now-1h", "to": "now" },
  "fiscalYearStartMonth": 0,
  "liveNow": false,
  "editable": true,
  "graphTooltip": 1,
  "links": [
    {
      "asDropdown": true,
      "icon": "external link",
      "includeVars": true,
      "keepTime": true,
      "tags": ["incus"],
      "targetBlank": false,
      "title": "Incus Dashboards",
      "tooltip": "Navigate to other Incus dashboards",
      "type": "dashboards"
    }
  ],
  "templating": {
    "list": []
  },
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": { "type": "grafana", "uid": "-- Grafana --" },
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
      }
    ]
  },
  "panels": [
    {
      "type": "row",
      "title": "Targets",
      "collapsed": false,
      "gridPos": { "h": 1, "w": 24, "x": 0, "y": 0 },
      "id": 1,
      "panels": []
    },
    {
      "type": "stat",
      "title": "Targets Up",
      "description": "Number of scrape targets currently reporting as healthy (up == 1).",
      "gridPos": { "h": 4, "w": 6, "x": 0, "y": 1 },
      "id": 2,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "count(up == 1)",
          "legendFormat": "Up",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [
              { "color": "green", "value": null }
            ]
          },
          "unit": "none",
          "color": { "mode": "thresholds" }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": { "calcs": ["lastNotNull"], "fields": "", "values": false },
        "orientation": "auto",
        "textMode": "auto",
        "colorMode": "value",
        "graphMode": "area",
        "justifyMode": "auto"
      }
    },
    {
      "type": "stat",
      "title": "Targets Down",
      "description": "Number of scrape targets currently unreachable or failing (up == 0). Any value above 0 requires investigation.",
      "gridPos": { "h": 4, "w": 6, "x": 6, "y": 1 },
      "id": 3,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "count(up == 0)",
          "legendFormat": "Down",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [
              { "color": "green", "value": null },
              { "color": "red", "value": 1 }
            ]
          },
          "unit": "none",
          "color": { "mode": "thresholds" }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": { "calcs": ["lastNotNull"], "fields": "", "values": false },
        "orientation": "auto",
        "textMode": "auto",
        "colorMode": "value",
        "graphMode": "none",
        "justifyMode": "auto"
      }
    },
    {
      "type": "stat",
      "title": "Avg Scrape Duration",
      "description": "Average time Prometheus takes to scrape all targets. High values may indicate slow or overloaded exporters.",
      "gridPos": { "h": 4, "w": 6, "x": 12, "y": 1 },
      "id": 4,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "avg(scrape_duration_seconds)",
          "legendFormat": "Avg Duration",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [
              { "color": "green", "value": null },
              { "color": "yellow", "value": 1 },
              { "color": "red", "value": 5 }
            ]
          },
          "unit": "s",
          "color": { "mode": "thresholds" }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": { "calcs": ["lastNotNull"], "fields": "", "values": false },
        "orientation": "auto",
        "textMode": "auto",
        "colorMode": "value",
        "graphMode": "none",
        "justifyMode": "auto"
      }
    },
    {
      "type": "stat",
      "title": "Samples Ingested/s",
      "description": "Total rate of samples being scraped and ingested across all targets per second.",
      "gridPos": { "h": 4, "w": 6, "x": 18, "y": 1 },
      "id": 5,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "sum(rate(scrape_samples_scraped[$__rate_interval]))",
          "legendFormat": "Samples/s",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [
              { "color": "green", "value": null }
            ]
          },
          "unit": "short",
          "color": { "mode": "thresholds" }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": { "calcs": ["lastNotNull"], "fields": "", "values": false },
        "orientation": "auto",
        "textMode": "auto",
        "colorMode": "value",
        "graphMode": "area",
        "justifyMode": "auto"
      }
    },
    {
      "type": "table",
      "title": "Target Health",
      "description": "Per-target health status showing each scrape target's current state. UP (1) means healthy, DOWN (0) means unreachable or failing.",
      "gridPos": { "h": 8, "w": 24, "x": 0, "y": 5 },
      "id": 6,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "up",
          "legendFormat": "",
          "refId": "A",
          "format": "table",
          "instant": true
        }
      ],
      "fieldConfig": {
        "defaults": {
          "custom": {
            "align": "auto",
            "displayMode": "auto",
            "inspect": false,
            "filterable": true
          },
          "thresholds": {
            "mode": "absolute",
            "steps": [
              { "color": "green", "value": null }
            ]
          },
          "color": { "mode": "thresholds" }
        },
        "overrides": [
          {
            "matcher": { "id": "byName", "options": "instance" },
            "properties": [
              { "id": "displayName", "value": "Instance" },
              { "id": "custom.width", "value": 300 }
            ]
          },
          {
            "matcher": { "id": "byName", "options": "job" },
            "properties": [
              { "id": "displayName", "value": "Job" },
              { "id": "custom.width", "value": 200 }
            ]
          },
          {
            "matcher": { "id": "byName", "options": "Value" },
            "properties": [
              { "id": "displayName", "value": "Status" },
              { "id": "custom.displayMode", "value": "color-background" },
              {
                "id": "mappings",
                "value": [
                  {
                    "type": "value",
                    "options": {
                      "1": { "text": "UP", "color": "green" },
                      "0": { "text": "DOWN", "color": "red" }
                    }
                  }
                ]
              }
            ]
          }
        ]
      },
      "options": {
        "showHeader": true,
        "sortBy": [{ "displayName": "Job", "desc": false }],
        "footer": { "show": false, "reducer": ["sum"], "fields": "" }
      },
      "transformations": [
        {
          "id": "organize",
          "options": {
            "excludeByName": { "Time": true, "__name__": true },
            "indexByName": {
              "instance": 0,
              "job": 1,
              "Value": 2
            },
            "renameByName": {}
          }
        }
      ]
    },
    {
      "type": "row",
      "title": "Scrape Performance",
      "collapsed": false,
      "gridPos": { "h": 1, "w": 24, "x": 0, "y": 13 },
      "id": 7,
      "panels": []
    },
    {
      "type": "timeseries",
      "title": "Scrape Duration by Job",
      "description": "How long each scrape takes per job. Spikes indicate slow exporters or network issues between Prometheus and targets.",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 14 },
      "id": 8,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "scrape_duration_seconds",
          "legendFormat": "{{job}} - {{instance}}",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "fillOpacity": 15,
            "gradientMode": "none",
            "spanNulls": false,
            "showPoints": "never",
            "pointSize": 5,
            "stacking": { "mode": "none", "group": "A" },
            "axisPlacement": "auto",
            "axisLabel": "",
            "scaleDistribution": { "type": "linear" },
            "thresholdsStyle": { "mode": "off" }
          },
          "unit": "s",
          "color": { "mode": "palette-classic" },
          "thresholds": {
            "mode": "absolute",
            "steps": [{ "color": "green", "value": null }]
          }
        },
        "overrides": []
      },
      "options": {
        "tooltip": { "mode": "multi", "sort": "desc" },
        "legend": { "displayMode": "table", "placement": "right", "calcs": ["mean", "max", "lastNotNull"] }
      }
    },
    {
      "type": "timeseries",
      "title": "Samples Scraped by Job",
      "description": "Rate of samples scraped per job. Sudden drops may indicate target failures; spikes may indicate new metrics being exposed.",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 14 },
      "id": 9,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "rate(scrape_samples_scraped[$__rate_interval])",
          "legendFormat": "{{job}} - {{instance}}",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "fillOpacity": 15,
            "gradientMode": "none",
            "spanNulls": false,
            "showPoints": "never",
            "pointSize": 5,
            "stacking": { "mode": "none", "group": "A" },
            "axisPlacement": "auto",
            "axisLabel": "",
            "scaleDistribution": { "type": "linear" },
            "thresholdsStyle": { "mode": "off" }
          },
          "unit": "short",
          "color": { "mode": "palette-classic" },
          "thresholds": {
            "mode": "absolute",
            "steps": [{ "color": "green", "value": null }]
          }
        },
        "overrides": []
      },
      "options": {
        "tooltip": { "mode": "multi", "sort": "desc" },
        "legend": { "displayMode": "table", "placement": "right", "calcs": ["mean", "max", "lastNotNull"] }
      }
    },
    {
      "type": "row",
      "title": "TSDB",
      "collapsed": false,
      "gridPos": { "h": 1, "w": 24, "x": 0, "y": 22 },
      "id": 10,
      "panels": []
    },
    {
      "type": "stat",
      "title": "TSDB Size",
      "description": "Current on-disk size of the Prometheus TSDB storage directory including all blocks and WAL.",
      "gridPos": { "h": 4, "w": 6, "x": 0, "y": 23 },
      "id": 11,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "prometheus_tsdb_storage_size_bytes",
          "legendFormat": "TSDB Size",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [
              { "color": "green", "value": null },
              { "color": "yellow", "value": 1073741824 },
              { "color": "red", "value": 5368709120 }
            ]
          },
          "unit": "bytes",
          "color": { "mode": "thresholds" }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": { "calcs": ["lastNotNull"], "fields": "", "values": false },
        "orientation": "auto",
        "textMode": "auto",
        "colorMode": "value",
        "graphMode": "area",
        "justifyMode": "auto"
      }
    },
    {
      "type": "stat",
      "title": "Head Series",
      "description": "Number of active time series in the TSDB head block. High cardinality here impacts query performance and memory usage.",
      "gridPos": { "h": 4, "w": 6, "x": 6, "y": 23 },
      "id": 12,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "prometheus_tsdb_head_series",
          "legendFormat": "Head Series",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "thresholds": {
            "mode": "absolute",
            "steps": [
              { "color": "green", "value": null },
              { "color": "yellow", "value": 100000 },
              { "color": "red", "value": 500000 }
            ]
          },
          "unit": "short",
          "color": { "mode": "thresholds" }
        },
        "overrides": []
      },
      "options": {
        "reduceOptions": { "calcs": ["lastNotNull"], "fields": "", "values": false },
        "orientation": "auto",
        "textMode": "auto",
        "colorMode": "value",
        "graphMode": "none",
        "justifyMode": "auto"
      }
    },
    {
      "type": "timeseries",
      "title": "Head Chunks",
      "description": "Number of chunks in the TSDB head block. Growth correlates with active series count and scrape frequency.",
      "gridPos": { "h": 8, "w": 6, "x": 12, "y": 23 },
      "id": 13,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "prometheus_tsdb_head_chunks",
          "legendFormat": "Head Chunks",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "fillOpacity": 15,
            "gradientMode": "none",
            "spanNulls": false,
            "showPoints": "never",
            "pointSize": 5,
            "stacking": { "mode": "none", "group": "A" },
            "axisPlacement": "auto",
            "axisLabel": "",
            "scaleDistribution": { "type": "linear" },
            "thresholdsStyle": { "mode": "off" }
          },
          "unit": "short",
          "color": { "mode": "palette-classic" },
          "thresholds": {
            "mode": "absolute",
            "steps": [{ "color": "green", "value": null }]
          }
        },
        "overrides": []
      },
      "options": {
        "tooltip": { "mode": "multi", "sort": "desc" },
        "legend": { "displayMode": "table", "placement": "right", "calcs": ["mean", "max", "lastNotNull"] }
      }
    },
    {
      "type": "timeseries",
      "title": "WAL Size",
      "description": "Size of the Prometheus write-ahead log (WAL). The WAL buffers recent writes before compaction into blocks.",
      "gridPos": { "h": 8, "w": 6, "x": 18, "y": 23 },
      "id": 14,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "prometheus_tsdb_wal_storage_size_bytes",
          "legendFormat": "WAL Size",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "fillOpacity": 15,
            "gradientMode": "none",
            "spanNulls": false,
            "showPoints": "never",
            "pointSize": 5,
            "stacking": { "mode": "none", "group": "A" },
            "axisPlacement": "auto",
            "axisLabel": "",
            "scaleDistribution": { "type": "linear" },
            "thresholdsStyle": { "mode": "off" }
          },
          "unit": "bytes",
          "color": { "mode": "palette-classic" },
          "thresholds": {
            "mode": "absolute",
            "steps": [{ "color": "green", "value": null }]
          }
        },
        "overrides": []
      },
      "options": {
        "tooltip": { "mode": "multi", "sort": "desc" },
        "legend": { "displayMode": "table", "placement": "right", "calcs": ["mean", "max", "lastNotNull"] }
      }
    },
    {
      "type": "row",
      "title": "TSDB Trends",
      "collapsed": false,
      "gridPos": { "h": 1, "w": 24, "x": 0, "y": 31 },
      "id": 15,
      "panels": []
    },
    {
      "type": "timeseries",
      "title": "TSDB Size Over Time",
      "description": "Prometheus TSDB total storage size trend. Useful for capacity planning and detecting unexpected growth.",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 32 },
      "id": 16,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "prometheus_tsdb_storage_size_bytes",
          "legendFormat": "TSDB Size",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
          "custom": {
            "drawStyle": "line",
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "fillOpacity": 15,
            "gradientMode": "none",
            "spanNulls": false,
            "showPoints": "never",
            "pointSize": 5,
            "stacking": { "mode": "none", "group": "A" },
            "axisPlacement": "auto",
            "axisLabel": "",
            "scaleDistribution": { "type": "linear" },
            "thresholdsStyle": { "mode": "off" }
          },
          "unit": "bytes",
          "color": { "mode": "palette-classic" },
          "thresholds": {
            "mode": "absolute",
            "steps": [{ "color": "green", "value": null }]
          }
        },
        "overrides": []
      },
      "options": {
        "tooltip": { "mode": "multi", "sort": "desc" },
        "legend": { "displayMode": "table", "placement": "right", "calcs": ["mean", "max", "lastNotNull"] }
      }
    },
    {
      "type": "timeseries",
      "title": "Samples Ingested Trend",
      "description": "Rate of new samples appended to the TSDB head block. Correlates with scrape frequency and number of active series.",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 32 },
      "id": 17,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "rate(prometheus_tsdb_head_samples_appended_total[$__rate_interval])",
          "legendFormat": "Samples/s",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
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            "drawStyle": "line",
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "fillOpacity": 15,
            "gradientMode": "none",
            "spanNulls": false,
            "showPoints": "never",
            "pointSize": 5,
            "stacking": { "mode": "none", "group": "A" },
            "axisPlacement": "auto",
            "axisLabel": "",
            "scaleDistribution": { "type": "linear" },
            "thresholdsStyle": { "mode": "off" }
          },
          "unit": "short",
          "color": { "mode": "palette-classic" },
          "thresholds": {
            "mode": "absolute",
            "steps": [{ "color": "green", "value": null }]
          }
        },
        "overrides": []
      },
      "options": {
        "tooltip": { "mode": "multi", "sort": "desc" },
        "legend": { "displayMode": "table", "placement": "right", "calcs": ["mean", "max", "lastNotNull"] }
      }
    },
    {
      "type": "timeseries",
      "title": "Compactions",
      "description": "Rate of TSDB compaction operations. Compactions merge head block data into persistent blocks on disk for efficient storage.",
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 40 },
      "id": 18,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "rate(prometheus_tsdb_compactions_total[$__rate_interval])",
          "legendFormat": "Compactions/s",
          "refId": "A"
        }
      ],
      "fieldConfig": {
        "defaults": {
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            "drawStyle": "line",
            "lineInterpolation": "smooth",
            "lineWidth": 1,
            "fillOpacity": 15,
            "gradientMode": "none",
            "spanNulls": false,
            "showPoints": "never",
            "pointSize": 5,
            "stacking": { "mode": "none", "group": "A" },
            "axisPlacement": "auto",
            "axisLabel": "",
            "scaleDistribution": { "type": "linear" },
            "thresholdsStyle": { "mode": "off" }
          },
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          "color": { "mode": "palette-classic" },
          "thresholds": {
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            "steps": [{ "color": "green", "value": null }]
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        },
        "overrides": []
      },
      "options": {
        "tooltip": { "mode": "multi", "sort": "desc" },
        "legend": { "displayMode": "table", "placement": "right", "calcs": ["mean", "max", "lastNotNull"] }
      }
    },
    {
      "type": "timeseries",
      "title": "Head Series Count",
      "description": "Number of active time series in the TSDB head block over time. Trend helps identify cardinality growth or label explosion.",
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 40 },
      "id": 19,
      "datasource": { "type": "prometheus", "uid": "${DS_PROMETHEUS}" },
      "targets": [
        {
          "expr": "prometheus_tsdb_head_series",
          "legendFormat": "Head Series",
          "refId": "A"
        }
      ],
      "fieldConfig": {
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            "fillOpacity": 15,
            "gradientMode": "none",
            "spanNulls": false,
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            "stacking": { "mode": "none", "group": "A" },
            "axisPlacement": "auto",
            "axisLabel": "",
            "scaleDistribution": { "type": "linear" },
            "thresholdsStyle": { "mode": "off" }
          },
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        "overrides": []
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      }
    }
  ]
}