gyfora commented on code in PR #247:
URL:
https://github.com/apache/flink-kubernetes-operator/pull/247#discussion_r886448233
##########
docs/content/docs/operations/configuration.md:
##########
@@ -50,11 +50,39 @@ defaultConfiguration:
To learn more about metrics and logging configuration please refer to the
dedicated [docs page]({{< ref "docs/operations/metrics-logging" >}}).
+## Dynamic Operator Configuration
+
+The Kubernetes operator supports dynamic config changes through the operator
ConfigMaps. Dynamic operator configuration is enabled by default, and can be
disabled by setting `kubernetes.operator.dynamic.config.enabled` to false.
Time interval for checking dynamic config changes is specified by
`kubernetes.operator.dynamic.config.check.interval` of which default value is 5
minutes.
+
+Verify whether dynamic operator configuration updates is enabled via the
`deploy/flink-kubernetes-operator` log has:
+
+```
+2022-05-28 13:08:29,222 o.a.f.k.o.c.FlinkConfigManager [INFO ] Enabled dynamic
config updates, checking config changes every PT5M
+```
+
+When the interval for the controller to reschedule the reconcile process need
to change with 30 seconds, the ConfigMap can be directly edited via `kubectl
patch` or `kubectl edit` command. The
`kubernetes.operator.reconciler.reschedule.interval` config option, of which
default value is 60 seconds, can directly change to 30s in the
`defaultConfiguration` section:
+
+```yaml
+defaultConfiguration:
+ create: true
+ append: false
+ flink-conf.yaml: |+
+ # Flink Config Overrides
+ kubernetes.operator.reconciler.reschedule.interval: 30 s
+```
Review Comment:
Did you try this? I think updating the Helm values won't upgrade the
configmap (if the operator is already running)
So please change this to simply:
```
To change config values dynamically the ConfigMap can be directly edited via
`kubectl patch` or `kubectl edit` command. For example to change the reschedule
interval you can override `kubernetes.operator.reconciler.reschedule.interval`.
```
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