d99dfbafbc
Add observability stack with @willsoto/nestjs-prometheus for /metrics endpoint, Prometheus scraping config, and 4 auto-provisioned Grafana dashboards (API overview, database, search, business metrics). Co-Authored-By: Paperclip <noreply@paperclip.ing>
109 lines
2.8 KiB
JSON
109 lines
2.8 KiB
JSON
{
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"annotations": { "list": [] },
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"editable": true,
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"fiscalYearStartMonth": 0,
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"graphTooltip": 1,
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"links": [],
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"panels": [
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{
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"title": "Query Latency (p50 / p95 / p99)",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 12, "x": 0, "y": 0 },
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"targets": [
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{
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"expr": "histogram_quantile(0.50, sum(rate(db_query_duration_seconds_bucket[5m])) by (le))",
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"legendFormat": "p50",
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"refId": "A"
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},
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{
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"expr": "histogram_quantile(0.95, sum(rate(db_query_duration_seconds_bucket[5m])) by (le))",
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"legendFormat": "p95",
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"refId": "B"
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},
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{
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"expr": "histogram_quantile(0.99, sum(rate(db_query_duration_seconds_bucket[5m])) by (le))",
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"legendFormat": "p99",
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"refId": "C"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "s",
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"custom": { "drawStyle": "line", "fillOpacity": 10 }
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}
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}
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},
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{
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"title": "Query Rate by Operation",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 12, "x": 12, "y": 0 },
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"targets": [
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{
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"expr": "sum(rate(db_query_duration_seconds_count[5m])) by (operation)",
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"legendFormat": "{{operation}}",
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"refId": "A"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "ops",
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"custom": { "drawStyle": "bars", "fillOpacity": 50 }
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}
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}
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},
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{
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"title": "Active DB Connections",
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"type": "gauge",
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"gridPos": { "h": 8, "w": 8, "x": 0, "y": 8 },
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"targets": [
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{
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"expr": "db_pool_active_connections",
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"legendFormat": "Active",
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"refId": "A"
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}
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],
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"fieldConfig": {
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"defaults": {
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"thresholds": {
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"steps": [
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{ "color": "green", "value": null },
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{ "color": "yellow", "value": 15 },
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{ "color": "red", "value": 25 }
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]
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},
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"max": 30
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}
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}
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},
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{
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"title": "Slow Queries (> 100ms)",
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"type": "timeseries",
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"gridPos": { "h": 8, "w": 16, "x": 8, "y": 8 },
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"targets": [
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{
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"expr": "sum(rate(db_query_duration_seconds_bucket{le=\"0.1\"}[5m])) / sum(rate(db_query_duration_seconds_count[5m]))",
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"legendFormat": "% queries < 100ms",
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"refId": "A"
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}
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],
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"fieldConfig": {
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"defaults": {
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"unit": "percentunit",
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"min": 0,
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"max": 1,
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"custom": { "drawStyle": "line", "fillOpacity": 10 }
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}
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}
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}
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],
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"schemaVersion": 39,
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"tags": ["goodgo", "database"],
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"templating": { "list": [] },
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"time": { "from": "now-1h", "to": "now" },
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"timepicker": {},
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"timezone": "browser",
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"title": "GoodGo Database",
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"uid": "goodgo-database",
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"version": 1
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}
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