OSDOCS-8330: Configure limits via Subscription, not CSV

modules/troubleshooting-network-observability-controller-manager-pod-out-of-memory.adoc

@@ -6,26 +6,40 @@
 [id="controller-manager-pod-runs-out-of-memory_{context}"]
 = Network Observability controller manager pod runs out of memory
 
-You can increase memory limits for the Network Observability operator by patching the Cluster Service Version (CSV), where Network Observability controller manager pod runs out of memory.
+You can increase memory limits for the Network Observability operator by editing the `spec.config.resources.limits.memory` configuration in the `Subscription` object.
 
 .Procedure
 
-. Run the following command to patch the CSV:
+. In the web console, navigate to *Operators* -> *Installed Operators*
+. In *Network Observability* click the *Subscription* menu and choose *Edit Subscription*.
+.. Alternatively, you can use the CLI to open the YAML configuration for the `Subscription` object by running the following command:
 +
 [source,terminal]
 ----
-$ oc -n netobserv patch csv network-observability-operator.v1.0.0 --type='json' -p='[{"op": "replace", "path":"/spec/install/spec/deployments/0/spec/template/spec/containers/0/resources/limits/memory", value: "1Gi"}]'
+$ oc edit subscription netobserv-operator -n openshift-netobserv-operator
 ----
+. Edit the  `Subscription` object to add the `config.resources.limits.memory` and set the memory to account for your needs:
 +
-.Example output
+[source,yaml]
 ----
-clusterserviceversion.operators.coreos.com/network-observability-operator.v1.0.0 patched
+apiVersion: operators.coreos.com/v1alpha1
+kind: Subscription
+metadata:
+  name: netobserv-operator
+  namespace: openshift-netobserv-operator
+spec:
+  channel: stable
+  config:
+    resources:
+      limits:
+        memory: 800Mi     <1>
+      requests:
+        cpu: 100m
+        memory: 100Mi
+  installPlanApproval: Automatic
+  name: netobserv-operator
+  source: redhat-operators
+  sourceNamespace: openshift-marketplace
+  startingCSV: network-observability-operator.v1.4.1
 ----
-
-. Run the following command to view the updated CSV:
-+
-[source,terminal]
-----
-$ oc -n netobserv get csv network-observability-operator.v1.0.0 -o jsonpath='{.spec.install.spec.deployments[0].spec.template.spec.containers[0].resources.limits.memory}'
-1Gi
-----
+<1> For example, you can increase the memory limit to `800Mi`.