diff --git a/stacks/netbox/main.tf b/stacks/netbox/main.tf
index 610b02e0..d7394d28 100644
--- a/stacks/netbox/main.tf
+++ b/stacks/netbox/main.tf
@@ -52,7 +52,8 @@ resource "kubernetes_deployment" "netbox" {
     }
   }
   spec {
-    replicas = 1
+    # Disabled: reduce cluster memory pressure (2026-03-14 OOM incident)
+    replicas = 0
     strategy {
       type = "Recreate"
     }
diff --git a/stacks/ollama/main.tf b/stacks/ollama/main.tf
index eda7c07b..1a1be2bf 100644
--- a/stacks/ollama/main.tf
+++ b/stacks/ollama/main.tf
@@ -230,7 +230,8 @@ resource "kubernetes_deployment" "ollama-ui" {
     }
   }
   spec {
-    replicas = 1
+    # Disabled: reduce cluster memory pressure (2026-03-14 OOM incident)
+    replicas = 0
     selector {
       match_labels = {
         app = "ollama-ui"
diff --git a/stacks/tandoor/main.tf b/stacks/tandoor/main.tf
index 73efe20d..6882a306 100644
--- a/stacks/tandoor/main.tf
+++ b/stacks/tandoor/main.tf
@@ -54,7 +54,8 @@ resource "kubernetes_deployment" "tandoor" {
     }
   }
   spec {
-    replicas = 1
+    # Disabled: reduce cluster memory pressure (2026-03-14 OOM incident)
+    replicas = 0
     strategy {
       type = "Recreate"
     }