diff --git a/scripts/render_dashboards.py b/scripts/render_dashboards.py
index b53c8c7..8e9bc8a 100644
--- a/scripts/render_dashboards.py
+++ b/scripts/render_dashboards.py
@@ -178,9 +178,7 @@ def namespace_ram_share_expr():
 
 
 def namespace_gpu_share_expr():
-    selected = (
-        f"( {NAMESPACE_GPU_RAW} ) + on(namespace) group_left() (0 * {NAMESPACE_COMBINED_FILTER})"
-    )
+    selected = f"( {NAMESPACE_GPU_RAW} ) and on(namespace) ( {NAMESPACE_COMBINED_FILTER} )"
     total = f"clamp_min(sum( {NAMESPACE_GPU_RAW} ), 1)"
     return f"100 * ( {selected} ) / {total}"
 
@@ -231,13 +229,14 @@ NAMESPACE_GPU_REQUEST = (
     ' or kube_pod_container_resource_limits{namespace!="",resource="nvidia.com/gpu"})) by (namespace)'
 )
 NAMESPACE_GPU_FALLBACK = (
-    'sum by (namespace) (kube_pod_info{namespace!=""}'
-    f' and on(node) kube_node_info{{node=~"{GPU_NODE_REGEX}"}})'
+    'sum by (namespace) (kube_pod_info{namespace!="",node=~"'
+    + GPU_NODE_REGEX
+    + '"})'
 )
 NAMESPACE_GPU_RAW = (
     "("
     + NAMESPACE_GPU_REQUEST
-    + ") or on(namespace) group_left() ("
+    + ") or on(namespace) ("
     + NAMESPACE_GPU_FALLBACK
     + ")"
 )
@@ -252,8 +251,14 @@ NAMESPACE_COMBINED_FILTER = (
     + " * 10))"
 )
 TRAEFIK_ROUTER_EXPR = "sum by (router) (rate(traefik_router_requests_total[5m]))"
-NET_INGRESS_EXPR = 'sum(rate(container_network_receive_bytes_total{namespace!="",pod!="",container!=""}[5m]))'
-NET_EGRESS_EXPR = 'sum(rate(container_network_transmit_bytes_total{namespace!="",pod!="",container!=""}[5m]))'
+NET_INGRESS_EXPR = (
+    'sum(rate(container_network_receive_bytes_total{namespace!="",pod!="",container!=""}[5m]))'
+    " or on() vector(0)"
+)
+NET_EGRESS_EXPR = (
+    'sum(rate(container_network_transmit_bytes_total{namespace!="",pod!="",container!=""}[5m]))'
+    " or on() vector(0)"
+)
 
 # ---------------------------------------------------------------------------
 # Panel factories
diff --git a/services/monitoring/dashboards/atlas-network.json b/services/monitoring/dashboards/atlas-network.json
index a4daa0c..098e1db 100644
--- a/services/monitoring/dashboards/atlas-network.json
+++ b/services/monitoring/dashboards/atlas-network.json
@@ -20,7 +20,7 @@
       },
       "targets": [
         {
-          "expr": "sum(rate(container_network_receive_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m]))",
+          "expr": "sum(rate(container_network_receive_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) or on() vector(0)",
           "refId": "A"
         }
       ],
@@ -80,7 +80,7 @@
       },
       "targets": [
         {
-          "expr": "sum(rate(container_network_transmit_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m]))",
+          "expr": "sum(rate(container_network_transmit_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) or on() vector(0)",
           "refId": "A"
         }
       ],
diff --git a/services/monitoring/dashboards/atlas-overview.json b/services/monitoring/dashboards/atlas-overview.json
index 16e01b3..5772c2c 100644
--- a/services/monitoring/dashboards/atlas-overview.json
+++ b/services/monitoring/dashboards/atlas-overview.json
@@ -722,7 +722,7 @@
       },
       "targets": [
         {
-          "expr": "100 * ( ( sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace) ), 1)",
+          "expr": "100 * ( ( sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace) ), 1)",
           "refId": "A",
           "legendFormat": "{{namespace}}"
         }
@@ -764,7 +764,7 @@
       },
       "targets": [
         {
-          "expr": "100 * ( ( (sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) ) + on(namespace) group_left() (0 * topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10))) ) / clamp_min(sum( (sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) ), 1)",
+          "expr": "100 * ( ( (sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( (sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) ), 1)",
           "refId": "A",
           "legendFormat": "{{namespace}}"
         }
@@ -806,7 +806,7 @@
       },
       "targets": [
         {
-          "expr": "100 * ( ( sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) ), 1)",
+          "expr": "100 * ( ( sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) ), 1)",
           "refId": "A",
           "legendFormat": "{{namespace}}"
         }
@@ -1016,7 +1016,7 @@
       },
       "targets": [
         {
-          "expr": "sum(rate(container_network_receive_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m]))",
+          "expr": "sum(rate(container_network_receive_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) or on() vector(0)",
           "refId": "A",
           "legendFormat": "Ingress"
         }
@@ -1060,7 +1060,7 @@
       },
       "targets": [
         {
-          "expr": "sum(rate(container_network_transmit_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m]))",
+          "expr": "sum(rate(container_network_transmit_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) or on() vector(0)",
           "refId": "A",
           "legendFormat": "Egress"
         }
diff --git a/services/monitoring/grafana-dashboard-network.yaml b/services/monitoring/grafana-dashboard-network.yaml
index 029987a..a552793 100644
--- a/services/monitoring/grafana-dashboard-network.yaml
+++ b/services/monitoring/grafana-dashboard-network.yaml
@@ -29,7 +29,7 @@ data:
           },
           "targets": [
             {
-              "expr": "sum(rate(container_network_receive_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m]))",
+              "expr": "sum(rate(container_network_receive_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) or on() vector(0)",
               "refId": "A"
             }
           ],
@@ -89,7 +89,7 @@ data:
           },
           "targets": [
             {
-              "expr": "sum(rate(container_network_transmit_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m]))",
+              "expr": "sum(rate(container_network_transmit_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) or on() vector(0)",
               "refId": "A"
             }
           ],
diff --git a/services/monitoring/grafana-dashboard-overview.yaml b/services/monitoring/grafana-dashboard-overview.yaml
index 55afe64..00755a9 100644
--- a/services/monitoring/grafana-dashboard-overview.yaml
+++ b/services/monitoring/grafana-dashboard-overview.yaml
@@ -731,7 +731,7 @@ data:
           },
           "targets": [
             {
-              "expr": "100 * ( ( sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace) ), 1)",
+              "expr": "100 * ( ( sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace) ), 1)",
               "refId": "A",
               "legendFormat": "{{namespace}}"
             }
@@ -773,7 +773,7 @@ data:
           },
           "targets": [
             {
-              "expr": "100 * ( ( (sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) ) + on(namespace) group_left() (0 * topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10))) ) / clamp_min(sum( (sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) ), 1)",
+              "expr": "100 * ( ( (sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( (sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) ), 1)",
               "refId": "A",
               "legendFormat": "{{namespace}}"
             }
@@ -815,7 +815,7 @@ data:
           },
           "targets": [
             {
-              "expr": "100 * ( ( sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) group_left() (sum by (namespace) (kube_pod_info{namespace!=\"\"} and on(node) kube_node_info{node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) ), 1)",
+              "expr": "100 * ( ( sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) ) and on(namespace) ( topk(10, (sum(rate(container_cpu_usage_seconds_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) by (namespace)) + (sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) / 1e9) + ((sum((kube_pod_container_resource_requests{namespace!=\"\",resource=\"nvidia.com/gpu\"} or kube_pod_container_resource_limits{namespace!=\"\",resource=\"nvidia.com/gpu\"})) by (namespace)) or on(namespace) (sum by (namespace) (kube_pod_info{namespace!=\"\",node=~\"titan-20|titan-21|titan-22|titan-24\"})) * 10)) ) ) / clamp_min(sum( sum(container_memory_working_set_bytes{namespace!=\"\",pod!=\"\",container!=\"\"}) by (namespace) ), 1)",
               "refId": "A",
               "legendFormat": "{{namespace}}"
             }
@@ -1025,7 +1025,7 @@ data:
           },
           "targets": [
             {
-              "expr": "sum(rate(container_network_receive_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m]))",
+              "expr": "sum(rate(container_network_receive_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) or on() vector(0)",
               "refId": "A",
               "legendFormat": "Ingress"
             }
@@ -1069,7 +1069,7 @@ data:
           },
           "targets": [
             {
-              "expr": "sum(rate(container_network_transmit_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m]))",
+              "expr": "sum(rate(container_network_transmit_bytes_total{namespace!=\"\",pod!=\"\",container!=\"\"}[5m])) or on() vector(0)",
               "refId": "A",
               "legendFormat": "Egress"
             }