feat(monitoring): add Grafana dashboards for PostgreSQL, Redis, System, App
- nexus-postgresql.json: connections, transactions, cache hit, WAL, slow queries, table bloat - nexus-redis.json: memory, commands/sec, clients, cache hit, keyspace hits/misses, evicted keys - nexus-system.json: CPU, memory, disk, network, load average - nexus-gunicorn.json: request rate, response time, workers, 5xx errors, memory per worker - dashboards.yml: auto-provisioning config
This commit is contained in:
11
docker/grafana/provisioning/dashboards/dashboards.yml
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11
docker/grafana/provisioning/dashboards/dashboards.yml
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@@ -0,0 +1,11 @@
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apiVersion: 1
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providers:
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- name: 'nexus-dashboards'
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orgId: 1
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folder: 'Nexus'
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type: file
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disableDeletion: false
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updateIntervalSeconds: 10
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allowUiUpdates: true
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options:
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path: /etc/grafana/provisioning/dashboards
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149
docker/grafana/provisioning/dashboards/nexus-gunicorn.json
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149
docker/grafana/provisioning/dashboards/nexus-gunicorn.json
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@@ -0,0 +1,149 @@
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{
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"uid": "nexus-app",
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"title": "Nexus — Application",
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"tags": ["gunicorn", "flask"],
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"timezone": "browser",
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"schemaVersion": 36,
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"refresh": "30s",
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"time": {
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"from": "now-1h",
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"to": "now"
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},
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"templating": {
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"list": [
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{
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"name": "datasource",
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"type": "datasource",
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"query": "prometheus",
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"current": {
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"selected": false,
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"text": "Prometheus",
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"value": "Prometheus"
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}
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}
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]
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},
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"panels": [
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{
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"id": 1,
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"title": "Request Rate (nginx)",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "rate(nginx_http_requests_total[5m])",
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"legendFormat": "Requests/sec",
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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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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "reqps",
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"min": 0
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},
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"overrides": []
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}
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},
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{
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"id": 2,
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"title": "Response Time (nginx)",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "histogram_quantile(0.95, sum(rate(nginx_http_request_duration_seconds_bucket[5m])) by (le))",
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"legendFormat": "p95",
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"refId": "A"
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},
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "histogram_quantile(0.99, sum(rate(nginx_http_request_duration_seconds_bucket[5m])) by (le))",
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"legendFormat": "p99",
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"refId": "B"
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}
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],
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"fieldConfig": {
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"defaults": {
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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "s",
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"min": 0
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},
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"overrides": []
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}
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},
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{
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"id": 3,
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"title": "Active Workers",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 0, "y": 8},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "count by (instance) (node_processes_state{state=\"S\", cmdline=~\".*gunicorn.*\"})",
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"legendFormat": "Workers {{instance}}",
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"refId": "A"
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}
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],
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"fieldConfig": {
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"defaults": {
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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "short",
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"min": 0
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},
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"overrides": []
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}
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},
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{
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"id": 4,
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"title": "5xx Errors",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 12, "y": 8},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "rate(nginx_http_requests_total{status=~\"5..\"}[5m])",
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"legendFormat": "5xx/sec",
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"refId": "A"
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}
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],
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"fieldConfig": {
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"defaults": {
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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "reqps",
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"min": 0
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},
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"overrides": []
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}
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},
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{
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"id": 5,
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"title": "Memory per Worker",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 24, "x": 0, "y": 16},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "process_resident_memory_bytes{cmdline=~\".*gunicorn.*\"} / 1024 / 1024",
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"legendFormat": "{{cmdline}}",
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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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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "mbytes",
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"min": 0
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},
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"overrides": []
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}
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}
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]
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}
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185
docker/grafana/provisioning/dashboards/nexus-postgresql.json
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185
docker/grafana/provisioning/dashboards/nexus-postgresql.json
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@@ -0,0 +1,185 @@
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{
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"uid": "nexus-postgresql",
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"title": "Nexus — PostgreSQL",
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"tags": ["postgres", "database"],
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"timezone": "browser",
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"schemaVersion": 36,
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"refresh": "30s",
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"time": {
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"from": "now-1h",
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"to": "now"
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},
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"templating": {
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"list": [
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{
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"name": "datasource",
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"type": "datasource",
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"query": "prometheus",
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"current": {
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"selected": false,
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"text": "Prometheus",
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"value": "Prometheus"
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}
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}
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]
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},
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"panels": [
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{
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"id": 1,
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"title": "Active Connections",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "pg_stat_activity_count",
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"legendFormat": "Connections",
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"refId": "A"
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}
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],
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"fieldConfig": {
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"defaults": {
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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "short",
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"min": 0
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},
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"overrides": []
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}
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},
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{
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"id": 2,
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"title": "Transactions / sec",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "rate(pg_stat_database_xact_commit[5m])",
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"legendFormat": "Commits",
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"refId": "A"
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},
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "rate(pg_stat_database_xact_rollback[5m])",
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"legendFormat": "Rollbacks",
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"refId": "B"
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}
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],
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"fieldConfig": {
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"defaults": {
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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "tps",
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"min": 0
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},
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"overrides": []
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}
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},
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{
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"id": 3,
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"title": "Cache Hit Ratio",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 0, "y": 8},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "pg_stat_database_blks_hit / (pg_stat_database_blks_hit + pg_stat_database_blks_read)",
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"legendFormat": "Hit Ratio",
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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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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "percentunit",
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"min": 0,
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"max": 1
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},
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"overrides": []
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}
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},
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{
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"id": 4,
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"title": "WAL Generation",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 12, "y": 8},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "rate(pg_stat_bgwriter_buffers_backend_fsync[5m])",
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"legendFormat": "Backend fsync",
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"refId": "A"
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},
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "rate(pg_stat_bgwriter_buffers_backend[5m])",
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"legendFormat": "Backend buffers",
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"refId": "B"
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}
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],
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"fieldConfig": {
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"defaults": {
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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "ops",
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"min": 0
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},
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"overrides": []
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}
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},
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{
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"id": 5,
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"title": "Slow Queries",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 0, "y": 16},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "pg_stat_activity_count{state=\"active\"}",
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"legendFormat": "Active queries",
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"refId": "A"
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}
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],
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"fieldConfig": {
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"defaults": {
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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
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"unit": "short",
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"min": 0
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},
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"overrides": []
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}
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},
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{
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"id": 6,
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"title": "Table Bloat",
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"type": "timeseries",
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"gridPos": {"h": 8, "w": 12, "x": 12, "y": 16},
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"targets": [
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "pg_stat_user_tables_n_live_tup",
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"legendFormat": "Live tuples",
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"refId": "A"
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},
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{
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"datasource": {"type": "prometheus", "uid": "${datasource}"},
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"expr": "pg_stat_user_tables_n_dead_tup",
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"legendFormat": "Dead tuples",
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"refId": "B"
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||||
}
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],
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"fieldConfig": {
|
||||
"defaults": {
|
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"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "short",
|
||||
"min": 0
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||||
},
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||||
"overrides": []
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
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173
docker/grafana/provisioning/dashboards/nexus-redis.json
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173
docker/grafana/provisioning/dashboards/nexus-redis.json
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@@ -0,0 +1,173 @@
|
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{
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"uid": "nexus-redis",
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"title": "Nexus — Redis",
|
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"tags": ["redis", "cache"],
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"timezone": "browser",
|
||||
"schemaVersion": 36,
|
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"refresh": "30s",
|
||||
"time": {
|
||||
"from": "now-1h",
|
||||
"to": "now"
|
||||
},
|
||||
"templating": {
|
||||
"list": [
|
||||
{
|
||||
"name": "datasource",
|
||||
"type": "datasource",
|
||||
"query": "prometheus",
|
||||
"current": {
|
||||
"selected": false,
|
||||
"text": "Prometheus",
|
||||
"value": "Prometheus"
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
"panels": [
|
||||
{
|
||||
"id": 1,
|
||||
"title": "Memory Usage",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "redis_memory_used_bytes",
|
||||
"legendFormat": "Used memory",
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "bytes",
|
||||
"min": 0
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 2,
|
||||
"title": "Commands / sec",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "rate(redis_commands_processed_total[5m])",
|
||||
"legendFormat": "Commands/sec",
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "cps",
|
||||
"min": 0
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 3,
|
||||
"title": "Connected Clients",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 8},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "redis_connected_clients",
|
||||
"legendFormat": "Clients",
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "short",
|
||||
"min": 0
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 4,
|
||||
"title": "Cache Hit Ratio",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 8},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "redis_keyspace_hits_total / (redis_keyspace_hits_total + redis_keyspace_misses_total)",
|
||||
"legendFormat": "Hit Ratio",
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "percentunit",
|
||||
"min": 0,
|
||||
"max": 1
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 5,
|
||||
"title": "Keyspace Hits / Misses",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 16},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "rate(redis_keyspace_hits_total[5m])",
|
||||
"legendFormat": "Hits/sec",
|
||||
"refId": "A"
|
||||
},
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "rate(redis_keyspace_misses_total[5m])",
|
||||
"legendFormat": "Misses/sec",
|
||||
"refId": "B"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "cps",
|
||||
"min": 0
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 6,
|
||||
"title": "Evicted Keys",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 16},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "rate(redis_evicted_keys_total[5m])",
|
||||
"legendFormat": "Evicted/sec",
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "cps",
|
||||
"min": 0
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
164
docker/grafana/provisioning/dashboards/nexus-system.json
Normal file
164
docker/grafana/provisioning/dashboards/nexus-system.json
Normal file
@@ -0,0 +1,164 @@
|
||||
{
|
||||
"uid": "nexus-system",
|
||||
"title": "Nexus — System",
|
||||
"tags": ["node", "system"],
|
||||
"timezone": "browser",
|
||||
"schemaVersion": 36,
|
||||
"refresh": "30s",
|
||||
"time": {
|
||||
"from": "now-1h",
|
||||
"to": "now"
|
||||
},
|
||||
"templating": {
|
||||
"list": [
|
||||
{
|
||||
"name": "datasource",
|
||||
"type": "datasource",
|
||||
"query": "prometheus",
|
||||
"current": {
|
||||
"selected": false,
|
||||
"text": "Prometheus",
|
||||
"value": "Prometheus"
|
||||
}
|
||||
}
|
||||
]
|
||||
},
|
||||
"panels": [
|
||||
{
|
||||
"id": 1,
|
||||
"title": "CPU Usage %",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 0},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "100 - (avg by(instance) (rate(node_cpu_seconds_total{mode=\"idle\"}[5m])) * 100)",
|
||||
"legendFormat": "CPU %",
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "percent",
|
||||
"min": 0,
|
||||
"max": 100
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 2,
|
||||
"title": "Memory Usage %",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 0},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "100 * (1 - node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes)",
|
||||
"legendFormat": "Memory %",
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "percent",
|
||||
"min": 0,
|
||||
"max": 100
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 3,
|
||||
"title": "Disk Usage %",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 0, "y": 8},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "100 * (1 - node_filesystem_avail_bytes{fstype!~\"tmpfs|ramfs\"} / node_filesystem_size_bytes{fstype!~\"tmpfs|ramfs\"})",
|
||||
"legendFormat": "{{mountpoint}}",
|
||||
"refId": "A"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "percent",
|
||||
"min": 0,
|
||||
"max": 100
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 4,
|
||||
"title": "Network I/O",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 12, "x": 12, "y": 8},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "rate(node_network_receive_bytes_total[5m])",
|
||||
"legendFormat": "Receive {{device}}",
|
||||
"refId": "A"
|
||||
},
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "rate(node_network_transmit_bytes_total[5m])",
|
||||
"legendFormat": "Transmit {{device}}",
|
||||
"refId": "B"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "Bps",
|
||||
"min": 0
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
},
|
||||
{
|
||||
"id": 5,
|
||||
"title": "Load Average",
|
||||
"type": "timeseries",
|
||||
"gridPos": {"h": 8, "w": 24, "x": 0, "y": 16},
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"targets": [
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "node_load1",
|
||||
"legendFormat": "1m load",
|
||||
"refId": "A"
|
||||
},
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "node_load5",
|
||||
"legendFormat": "5m load",
|
||||
"refId": "B"
|
||||
},
|
||||
{
|
||||
"datasource": {"type": "prometheus", "uid": "${datasource}"},
|
||||
"expr": "node_load15",
|
||||
"legendFormat": "15m load",
|
||||
"refId": "C"
|
||||
}
|
||||
],
|
||||
"fieldConfig": {
|
||||
"defaults": {
|
||||
"custom": {"drawStyle": "line", "lineWidth": 2, "fillOpacity": 10},
|
||||
"unit": "short",
|
||||
"min": 0
|
||||
},
|
||||
"overrides": []
|
||||
}
|
||||
}
|
||||
]
|
||||
}
|
||||
Reference in New Issue
Block a user