--- reviewers: - bprashanth - enisoc - erictune - foxish - janetkuo - kow3ns - smarterclayton title: Debug a StatefulSet content_type: task --- 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. ## 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-application-cluster/debug-pod-replication-controller/) guide. ## {{% heading "whatsnext" %}} Learn more about [debugging an init-container](/docs/tasks/debug-application-cluster/debug-init-containers/).