Reorg the monitoring task section (#32823)

* reorg the monitoring task section Signed-off-by: Paul S. Schweigert <paulschw@us.ibm.com> * reorg from review comments Signed-off-by: Paul S. Schweigert <paulschw@us.ibm.com> * review comments Signed-off-by: Paul S. Schweigert <paulschw@us.ibm.com> * review fixes Signed-off-by: Paul S. Schweigert <paulschw@us.ibm.com>
2022-04-26 00:30:51 -04:00
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+---
+reviewers:
+- bprashanth
+- enisoc
+- erictune
+- foxish
+- janetkuo
+- kow3ns
+- smarterclayton
+title: Debug a StatefulSet
+content_type: task
+weight: 30
+---
+
+<!-- overview -->
+This task shows you how to debug a StatefulSet.
+
+## {{% heading "prerequisites" %}}
+
+* You need to have a Kubernetes cluster, and the kubectl command-line tool must be configured to communicate with your cluster.
+* You should have a StatefulSet running that you want to investigate.
+
+<!-- steps -->
+
+## Debugging a StatefulSet
+
+In order to list all the pods which belong to a StatefulSet, which have a label `app=myapp` set on them,
+you can use the following:
+
+```shell
+kubectl get pods -l app=myapp
+```
+
+If you find that any Pods listed are in `Unknown` or `Terminating` state for an extended period of time,
+refer to the [Deleting StatefulSet Pods](/docs/tasks/run-application/delete-stateful-set/) task for
+instructions on how to deal with them.
+You can debug individual Pods in a StatefulSet using the
+[Debugging Pods](/docs/tasks/debug/debug-application/debug-pods/) guide.
+
+## {{% heading "whatsnext" %}}
+
+Learn more about [debugging an init-container](/docs/tasks/debug/debug-application/debug-init-containers/).
+