atlas pods: fix namespace plurality query

scripts/dashboards_render_atlas.py

@@ -519,6 +519,7 @@ def table_panel(
     *,
     unit="none",
     transformations=None,
+    instant=False,
 ):
     """Return a Grafana table panel definition."""
     panel = {
@@ -527,7 +528,7 @@ def table_panel(
         "title": title,
         "datasource": PROM_DS,
         "gridPos": grid,
-        "targets": [{"expr": expr, "refId": "A"}],
+        "targets": [{"expr": expr, "refId": "A", **({"instant": True} if instant else {})}],
         "fieldConfig": {"defaults": {"unit": unit}, "overrides": []},
         "options": {"showHeader": True},
     }
@@ -1175,14 +1176,15 @@ def build_pods_dashboard():
         table_panel(
             10,
             "Namespace Plurality by Node",
-            'topk(1, sum by (namespace,node) (kube_pod_info{pod!=""}) '
+            'sort_desc(topk(100, sum by (namespace,node) (kube_pod_info{pod!=""}) '
-            '/ ignoring(node) sum by (namespace) (kube_pod_info{pod!=""}))',
+            '/ on(namespace) group_left sum by (namespace) (kube_pod_info{pod!=""})))',
             {"h": 8, "w": 24, "x": 0, "y": 42},
             unit="percent",
             transformations=[
                 {"id": "labelsToFields", "options": {}},
                 {"id": "sortBy", "options": {"fields": ["Value"], "order": "desc"}},
             ],
+            instant=True,
         )
     )
     return {

services/monitoring/dashboards/atlas-pods.json

@@ -508,8 +508,9 @@
       },
       "targets": [
         {
-          "expr": "topk(1, sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / ignoring(node) sum by (namespace) (kube_pod_info{pod!=\"\"}))",
+          "expr": "sort_desc(topk(100, sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / on(namespace) group_left sum by (namespace) (kube_pod_info{pod!=\"\"})))",
-          "refId": "A"
+          "refId": "A",
+          "instant": true
         }
       ],
       "fieldConfig": {

services/monitoring/grafana-dashboard-pods.yaml

@@ -517,8 +517,9 @@ data:
           },
           "targets": [
             {
-              "expr": "topk(1, sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / ignoring(node) sum by (namespace) (kube_pod_info{pod!=\"\"}))",
+              "expr": "sort_desc(topk(100, sum by (namespace,node) (kube_pod_info{pod!=\"\"}) / on(namespace) group_left sum by (namespace) (kube_pod_info{pod!=\"\"})))",
-              "refId": "A"
+              "refId": "A",
+              "instant": true
             }
           ],
           "fieldConfig": {