{
"annotations": {
"list": [
{
"builtIn": 1,
"datasource": "-- Grafana --",
"enable": true,
"hide": true,
"iconColor": "rgba(0, 211, 255, 1)",
"name": "Annotations & Alerts",
"type": "dashboard"
}
]
},
"editable": true,
"gnetId": null,
"graphTooltip": 0,
"id": null,
"links": [],
"panels": [
{
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [
{
"options": {
"0": {
"color": "red",
"index": 0,
"text": "Follower"
},
"1": {
"color": "green",
"index": 1,
"text": "Leader"
}
},
"type": "value"
}
],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "red",
"value": null
},
{
"color": "green",
"value": 1
}
]
},
"unit": "none"
}
},
"gridPos": {
"h": 6,
"w": 8,
"x": 0,
"y": 0
},
"id": 1,
"options": {
"colorMode": "background",
"graphMode": "none",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"values": false,
"calcs": ["lastNotNull"],
"fields": ""
},
"text": {},
"textMode": "value_and_name"
},
"pluginVersion": "8.0.0",
"targets": [
{
"expr": "absurdersql_is_leader",
"legendFormat": "Leadership Status",
"refId": "A"
}
],
"title": "Current Leadership Status",
"type": "stat"
},
{
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 10,
"gradientMode": "none",
"hideFrom": {
"tooltip": false,
"viz": false,
"legend": false
},
"lineInterpolation": "linear",
"lineWidth": 1,
"pointSize": 5,
"scaleDistribution": {
"type": "linear"
},
"showPoints": "never",
"spanNulls": false,
"stacking": {
"group": "A",
"mode": "none"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
},
"unit": "short"
}
},
"gridPos": {
"h": 6,
"w": 16,
"x": 8,
"y": 0
},
"id": 2,
"options": {
"legend": {
"calcs": ["mean", "max"],
"displayMode": "table",
"placement": "bottom"
},
"tooltip": {
"mode": "single"
}
},
"pluginVersion": "8.0.0",
"targets": [
{
"expr": "rate(absurdersql_leader_elections_total[5m])",
"legendFormat": "Election Attempts",
"refId": "A"
},
{
"expr": "rate(absurdersql_leadership_changes_total[5m])",
"legendFormat": "Leadership Changes",
"refId": "B"
}
],
"title": "Leader Election Activity",
"type": "timeseries"
},
{
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 10,
"gradientMode": "none",
"hideFrom": {
"tooltip": false,
"viz": false,
"legend": false
},
"lineInterpolation": "linear",
"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",
"value": null
},
{
"color": "yellow",
"value": 100
},
{
"color": "red",
"value": 200
}
]
},
"unit": "ms"
}
},
"gridPos": {
"h": 8,
"w": 12,
"x": 0,
"y": 6
},
"id": 3,
"options": {
"legend": {
"calcs": ["mean", "max"],
"displayMode": "table",
"placement": "bottom"
},
"tooltip": {
"mode": "single"
}
},
"pluginVersion": "8.0.0",
"targets": [
{
"expr": "histogram_quantile(0.50, rate(absurdersql_leader_election_duration_bucket[5m]))",
"legendFormat": "P50 Election Time",
"refId": "A"
},
{
"expr": "histogram_quantile(0.95, rate(absurdersql_leader_election_duration_bucket[5m]))",
"legendFormat": "P95 Election Time",
"refId": "B"
},
{
"expr": "histogram_quantile(0.99, rate(absurdersql_leader_election_duration_bucket[5m]))",
"legendFormat": "P99 Election Time",
"refId": "C"
}
],
"title": "Leader Election Duration",
"type": "timeseries"
},
{
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 10,
"gradientMode": "none",
"hideFrom": {
"tooltip": false,
"viz": false,
"legend": false
},
"lineInterpolation": "linear",
"lineWidth": 1,
"pointSize": 5,
"scaleDistribution": {
"type": "linear"
},
"showPoints": "never",
"spanNulls": false,
"stacking": {
"group": "A",
"mode": "none"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
},
"unit": "ops"
}
},
"gridPos": {
"h": 8,
"w": 12,
"x": 12,
"y": 6
},
"id": 4,
"options": {
"legend": {
"calcs": ["mean"],
"displayMode": "table",
"placement": "bottom"
},
"tooltip": {
"mode": "single"
}
},
"pluginVersion": "8.0.0",
"targets": [
{
"expr": "rate(absurdersql_sync_operations_total[5m])",
"legendFormat": "VFS Sync Operations",
"refId": "A"
}
],
"title": "Cross-Tab Sync Rate",
"type": "timeseries"
},
{
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "yellow",
"value": 10
},
{
"color": "red",
"value": 20
}
]
},
"unit": "short"
}
},
"gridPos": {
"h": 8,
"w": 8,
"x": 0,
"y": 14
},
"id": 5,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"values": false,
"calcs": ["lastNotNull"],
"fields": ""
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "8.0.0",
"targets": [
{
"expr": "increase(absurdersql_leader_elections_total[5m])",
"legendFormat": "Elections (5m)",
"refId": "A"
}
],
"title": "Election Frequency (5m window)",
"type": "stat"
},
{
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "thresholds"
},
"mappings": [],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
},
{
"color": "yellow",
"value": 5
},
{
"color": "red",
"value": 10
}
]
},
"unit": "short"
}
},
"gridPos": {
"h": 8,
"w": 8,
"x": 8,
"y": 14
},
"id": 6,
"options": {
"colorMode": "value",
"graphMode": "area",
"justifyMode": "auto",
"orientation": "auto",
"reduceOptions": {
"values": false,
"calcs": ["lastNotNull"],
"fields": ""
},
"text": {},
"textMode": "auto"
},
"pluginVersion": "8.0.0",
"targets": [
{
"expr": "increase(absurdersql_leadership_changes_total[5m])",
"legendFormat": "Changes (5m)",
"refId": "A"
}
],
"title": "Leadership Changes (5m window)",
"type": "stat"
},
{
"datasource": "Prometheus",
"fieldConfig": {
"defaults": {
"color": {
"mode": "palette-classic"
},
"custom": {
"axisLabel": "",
"axisPlacement": "auto",
"barAlignment": 0,
"drawStyle": "line",
"fillOpacity": 10,
"gradientMode": "none",
"hideFrom": {
"tooltip": false,
"viz": false,
"legend": false
},
"lineInterpolation": "stepAfter",
"lineWidth": 2,
"pointSize": 5,
"scaleDistribution": {
"type": "linear"
},
"showPoints": "auto",
"spanNulls": false,
"stacking": {
"group": "A",
"mode": "none"
},
"thresholdsStyle": {
"mode": "off"
}
},
"mappings": [
{
"options": {
"0": {
"text": "Follower"
},
"1": {
"text": "Leader"
}
},
"type": "value"
}
],
"thresholds": {
"mode": "absolute",
"steps": [
{
"color": "green",
"value": null
}
]
},
"unit": "none"
}
},
"gridPos": {
"h": 8,
"w": 8,
"x": 16,
"y": 14
},
"id": 7,
"options": {
"legend": {
"calcs": [],
"displayMode": "list",
"placement": "bottom"
},
"tooltip": {
"mode": "single"
}
},
"pluginVersion": "8.0.0",
"targets": [
{
"expr": "absurdersql_is_leader",
"legendFormat": "Leadership Status",
"refId": "A"
}
],
"title": "Leadership Timeline",
"type": "timeseries"
}
],
"schemaVersion": 27,
"style": "dark",
"tags": ["absurdersql", "multi-tab", "coordination"],
"templating": {
"list": []
},
"time": {
"from": "now-1h",
"to": "now"
},
"timepicker": {},
"timezone": "",
"title": "AbsurderSQL - Multi-Tab Coordination",
"uid": "absurdersql-multi-tab",
"version": 1
}