veza/config/grafana/dashboards/redis-cache-overview.json

{
  "annotations": { "list": [] },
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 1,
  "id": null,
  "links": [],
  "liveNow": false,
  "panels": [
    {
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "fieldConfig": {
        "defaults": { "unit": "percentunit", "min": 0, "max": 1, "color": { "mode": "thresholds" }, "thresholds": { "mode": "absolute", "steps": [{ "color": "red", "value": null }, { "color": "yellow", "value": 0.9 }, { "color": "green", "value": 0.99 }] } },
        "overrides": []
      },
      "gridPos": { "h": 6, "w": 8, "x": 0, "y": 0 },
      "id": 1,
      "options": { "reduceOptions": { "calcs": ["lastNotNull"] }, "orientation": "auto" },
      "targets": [
        {
          "expr": "sum(rate(veza_cache_hits_total{subsystem=\"rate_limiter\"}[5m])) / (sum(rate(veza_cache_hits_total{subsystem=\"rate_limiter\"}[5m])) + sum(rate(veza_cache_misses_total{subsystem=\"rate_limiter\"}[5m])))",
          "refId": "A"
        }
      ],
      "title": "Rate limiter — cache hit rate (5m)",
      "type": "stat"
    },
    {
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "fieldConfig": {
        "defaults": { "unit": "percentunit", "min": 0, "max": 1, "color": { "mode": "thresholds" }, "thresholds": { "mode": "absolute", "steps": [{ "color": "red", "value": null }, { "color": "yellow", "value": 0.9 }, { "color": "green", "value": 0.99 }] } },
        "overrides": []
      },
      "gridPos": { "h": 6, "w": 8, "x": 8, "y": 0 },
      "id": 2,
      "options": { "reduceOptions": { "calcs": ["lastNotNull"] }, "orientation": "auto" },
      "targets": [
        {
          "expr": "sum(rate(veza_cache_hits_total{subsystem=\"chat_pubsub\"}[5m])) / (sum(rate(veza_cache_hits_total{subsystem=\"chat_pubsub\"}[5m])) + sum(rate(veza_cache_misses_total{subsystem=\"chat_pubsub\"}[5m])))",
          "refId": "A"
        }
      ],
      "title": "Chat PubSub — hit rate (5m)",
      "type": "stat"
    },
    {
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "fieldConfig": {
        "defaults": { "unit": "percentunit", "min": 0, "max": 1, "color": { "mode": "thresholds" }, "thresholds": { "mode": "absolute", "steps": [{ "color": "red", "value": null }, { "color": "yellow", "value": 0.9 }, { "color": "green", "value": 0.99 }] } },
        "overrides": []
      },
      "gridPos": { "h": 6, "w": 8, "x": 16, "y": 0 },
      "id": 3,
      "options": { "reduceOptions": { "calcs": ["lastNotNull"] }, "orientation": "auto" },
      "targets": [
        {
          "expr": "sum(rate(veza_cache_hits_total{subsystem=\"presence\"}[5m])) / (sum(rate(veza_cache_hits_total{subsystem=\"presence\"}[5m])) + sum(rate(veza_cache_misses_total{subsystem=\"presence\"}[5m])))",
          "refId": "A"
        }
      ],
      "title": "Presence — hit rate (5m)",
      "type": "stat"
    },
    {
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "fieldConfig": { "defaults": { "unit": "ops", "color": { "mode": "palette-classic" } }, "overrides": [] },
      "gridPos": { "h": 8, "w": 12, "x": 0, "y": 6 },
      "id": 4,
      "options": { "legend": { "displayMode": "list", "placement": "bottom" } },
      "targets": [
        { "expr": "sum by (subsystem) (rate(veza_cache_hits_total[5m]))", "legendFormat": "{{subsystem}} hits", "refId": "A" },
        { "expr": "sum by (subsystem) (rate(veza_cache_misses_total[5m]))", "legendFormat": "{{subsystem}} misses", "refId": "B" }
      ],
      "title": "Hits + misses per subsystem (ops/s)",
      "type": "timeseries"
    },
    {
      "datasource": { "type": "prometheus", "uid": "prometheus" },
      "fieldConfig": { "defaults": { "unit": "short", "color": { "mode": "palette-classic" } }, "overrides": [] },
      "gridPos": { "h": 8, "w": 12, "x": 12, "y": 6 },
      "id": 5,
      "options": { "legend": { "displayMode": "list", "placement": "bottom" } },
      "targets": [
        { "expr": "redis_connected_clients", "legendFormat": "{{instance}} clients", "refId": "A" },
        { "expr": "redis_connected_slaves", "legendFormat": "{{instance}} replicas", "refId": "B" }
      ],
      "title": "Redis connectivity (requires redis_exporter)",
      "type": "timeseries"
    }
  ],
  "refresh": "30s",
  "schemaVersion": 38,
  "style": "dark",
  "tags": ["veza", "redis", "cache"],
  "templating": { "list": [] },
  "time": { "from": "now-1h", "to": "now" },
  "timepicker": {},
  "timezone": "browser",
  "title": "Veza Redis + Cache Hit Rate",
  "uid": "veza-redis-cache",
  "version": 1
}