Add heatmap to visualize samples & spans per req

Signed-off-by: Arunprasad Rajkumar <ar.arunprasad@gmail.com>
timescale · Dec 21, 2022 · b846443 · b846443
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commit b846443
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -23,6 +23,7 @@ We use the following categories for changes:
   configuration. Supersedes `startup.dataset.config` which accepts a string
   instead of a mapping [#1737]
 - Add alert to notify about duplicate sample/metric ingestion. [#1688]
+- Add histogram to track number samples/metadata/span sent per request [#1767]
 
 ### Changed
 - Reduced the verbosity of the logs emitted by the vacuum engine [#1715]

diff --git a/docs/mixin/dashboards/promscale.json b/docs/mixin/dashboards/promscale.json
@@ -440,7 +440,7 @@
           },
           "gridPos": {
             "h": 9,
-            "w": 8,
+            "w": 12,
             "x": 0,
             "y": 10
           },
@@ -475,6 +475,86 @@
           "title": "Requests",
           "type": "timeseries"
         },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "fieldConfig": {
+            "defaults": {
+              "custom": {
+                "hideFrom": {
+                  "legend": false,
+                  "tooltip": false,
+                  "viz": false
+                },
+                "scaleDistribution": {
+                  "type": "linear"
+                }
+              }
+            },
+            "overrides": []
+          },
+          "gridPos": {
+            "h": 9,
+            "w": 12,
+            "x": 12,
+            "y": 10
+          },
+          "id": 71,
+          "options": {
+            "calculate": false,
+            "cellGap": 1,
+            "color": {
+              "exponent": 0.5,
+              "fill": "dark-orange",
+              "mode": "scheme",
+              "reverse": false,
+              "scale": "exponential",
+              "scheme": "Oranges",
+              "steps": 64
+            },
+            "exemplars": {
+              "color": "rgba(255,0,255,0.7)"
+            },
+            "filterValues": {
+              "le": 1e-9
+            },
+            "legend": {
+              "show": true
+            },
+            "rowsFrame": {
+              "layout": "auto"
+            },
+            "tooltip": {
+              "show": true,
+              "yHistogram": false
+            },
+            "yAxis": {
+              "axisPlacement": "left",
+              "reverse": false,
+              "unit": "none"
+            }
+          },
+          "pluginVersion": "9.2.3",
+          "targets": [
+            {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${datasource}"
+              },
+              "editorMode": "code",
+              "expr": "sum(rate(promscale_ingest_items_received_bucket{kind=\"sample\", namespace=~\"$namespace\"}[$__rate_interval])) by (le)",
+              "format": "heatmap",
+              "hide": false,
+              "legendFormat": "__auto",
+              "range": true,
+              "refId": "D"
+            }
+          ],
+          "title": "Samples per request",
+          "type": "heatmap"
+        },
         {
           "datasource": {
             "type": "prometheus",
@@ -535,9 +615,9 @@
           },
           "gridPos": {
             "h": 9,
-            "w": 8,
-            "x": 8,
-            "y": 10
+            "w": 12,
+            "x": 0,
+            "y": 19
           },
           "id": 10,
           "interval": "2m",
@@ -632,9 +712,9 @@
           },
           "gridPos": {
             "h": 9,
-            "w": 8,
-            "x": 16,
-            "y": 10
+            "w": 12,
+            "x": 12,
+            "y": 19
           },
           "id": 8,
           "interval": "2m",
@@ -768,9 +848,9 @@
           },
           "gridPos": {
             "h": 9,
-            "w": 8,
+            "w": 12,
             "x": 0,
-            "y": 11
+            "y": 29
           },
           "id": 9,
           "interval": "2m",
@@ -804,6 +884,86 @@
           "title": "Requests",
           "type": "timeseries"
         },
+        {
+          "datasource": {
+            "type": "prometheus",
+            "uid": "${datasource}"
+          },
+          "fieldConfig": {
+            "defaults": {
+              "custom": {
+                "hideFrom": {
+                  "legend": false,
+                  "tooltip": false,
+                  "viz": false
+                },
+                "scaleDistribution": {
+                  "type": "linear"
+                }
+              }
+            },
+            "overrides": []
+          },
+          "gridPos": {
+            "h": 9,
+            "w": 12,
+            "x": 12,
+            "y": 29
+          },
+          "id": 73,
+          "options": {
+            "calculate": false,
+            "cellGap": 1,
+            "color": {
+              "exponent": 0.5,
+              "fill": "dark-orange",
+              "mode": "scheme",
+              "reverse": false,
+              "scale": "exponential",
+              "scheme": "Oranges",
+              "steps": 64
+            },
+            "exemplars": {
+              "color": "rgba(255,0,255,0.7)"
+            },
+            "filterValues": {
+              "le": 1e-9
+            },
+            "legend": {
+              "show": true
+            },
+            "rowsFrame": {
+              "layout": "auto"
+            },
+            "tooltip": {
+              "show": true,
+              "yHistogram": false
+            },
+            "yAxis": {
+              "axisPlacement": "left",
+              "reverse": false,
+              "unit": "none"
+            }
+          },
+          "pluginVersion": "9.2.3",
+          "targets": [
+            {
+              "datasource": {
+                "type": "prometheus",
+                "uid": "${datasource}"
+              },
+              "editorMode": "code",
+              "expr": "sum(rate(promscale_ingest_items_received_bucket{kind=\"span\", namespace=~\"$namespace\"}[$__rate_interval])) by (le)",
+              "format": "heatmap",
+              "hide": false,
+              "legendFormat": "__auto",
+              "range": true,
+              "refId": "D"
+            }
+          ],
+          "title": "Spans per request",
+          "type": "heatmap"
+        },
         {
           "datasource": {
             "type": "prometheus",
@@ -865,9 +1025,9 @@
           },
           "gridPos": {
             "h": 9,
-            "w": 8,
-            "x": 8,
-            "y": 11
+            "w": 12,
+            "x": 0,
+            "y": 38
           },
           "id": 7,
           "interval": "2m",
@@ -961,9 +1121,9 @@
           },
           "gridPos": {
             "h": 9,
-            "w": 8,
-            "x": 16,
-            "y": 11
+            "w": 12,
+            "x": 12,
+            "y": 38
           },
           "id": 11,
           "interval": "2m",