Add backlog visual

grafana/dashboard.json

@@ -18,7 +18,7 @@
   "editable": true,
   "fiscalYearStartMonth": 0,
   "graphTooltip": 0,
-  "id": 1,
+  "id": 2,
   "links": [],
   "liveNow": false,
   "panels": [
@@ -276,6 +276,99 @@
       ],
       "title": "Request count",
       "type": "timeseries"
+    },
+    {
+      "datasource": {
+        "type": "prometheus",
+        "uid": "f6b18033-5918-4e05-a1ca-4cb30343b129"
+      },
+      "fieldConfig": {
+        "defaults": {
+          "color": {
+            "mode": "palette-classic"
+          },
+          "custom": {
+            "axisCenteredZero": false,
+            "axisColorMode": "text",
+            "axisLabel": "",
+            "axisPlacement": "auto",
+            "barAlignment": 0,
+            "drawStyle": "line",
+            "fillOpacity": 0,
+            "gradientMode": "none",
+            "hideFrom": {
+              "legend": false,
+              "tooltip": false,
+              "viz": false
+            },
+            "lineInterpolation": "linear",
+            "lineWidth": 1,
+            "pointSize": 5,
+            "scaleDistribution": {
+              "type": "linear"
+            },
+            "showPoints": "auto",
+            "spanNulls": false,
+            "stacking": {
+              "group": "A",
+              "mode": "none"
+            },
+            "thresholdsStyle": {
+              "mode": "off"
+            }
+          },
+          "mappings": [],
+          "thresholds": {
+            "mode": "absolute",
+            "steps": [
+              {
+                "color": "green",
+                "value": null
+              },
+              {
+                "color": "red",
+                "value": 80
+              }
+            ]
+          }
+        },
+        "overrides": []
+      },
+      "gridPos": {
+        "h": 11,
+        "w": 12,
+        "x": 12,
+        "y": 8
+      },
+      "id": 5,
+      "options": {
+        "legend": {
+          "calcs": [],
+          "displayMode": "list",
+          "placement": "bottom",
+          "showLegend": true
+        },
+        "tooltip": {
+          "mode": "single",
+          "sort": "none"
+        }
+      },
+      "pluginVersion": "10.0.0",
+      "targets": [
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "f6b18033-5918-4e05-a1ca-4cb30343b129"
+          },
+          "editorMode": "builder",
+          "expr": "pulsar_msg_backlog",
+          "instant": false,
+          "range": true,
+          "refId": "A"
+        }
+      ],
+      "title": "Pub/sub backlog",
+      "type": "timeseries"
     }
   ],
   "refresh": "10s",
@@ -286,13 +379,13 @@
     "list": []
   },
   "time": {
-    "from": "now-6h",
+    "from": "now-3h",
     "to": "now"
   },
   "timepicker": {},
   "timezone": "",
   "title": "Overview",
   "uid": "b5c8abf8-fe79-496b-b028-10bde917d1f0",
-  "version": 7,
+  "version": 2,
   "weekStart": ""
 }