diff --git a/content/en/docs/concepts/workloads/controllers/statefulset.md b/content/en/docs/concepts/workloads/controllers/statefulset.md index 3655625bc8..de07bba449 100644 --- a/content/en/docs/concepts/workloads/controllers/statefulset.md +++ b/content/en/docs/concepts/workloads/controllers/statefulset.md @@ -32,7 +32,6 @@ following. * Stable, unique network identifiers. * Stable, persistent storage. * Ordered, graceful deployment and scaling. -* Ordered, graceful deletion and termination. * Ordered, automated rolling updates. In the above, stable is synonymous with persistence across Pod (re)scheduling. @@ -48,6 +47,7 @@ provides a set of stateless replicas. Controllers such as * The storage for a given Pod must either be provisioned by a [PersistentVolume Provisioner](https://github.com/kubernetes/examples/tree/{{< param "githubbranch" >}}/staging/persistent-volume-provisioning/README.md) based on the requested `storage class`, or pre-provisioned by an admin. * Deleting and/or scaling a StatefulSet down will *not* delete the volumes associated with the StatefulSet. This is done to ensure data safety, which is generally more valuable than an automatic purge of all related StatefulSet resources. * StatefulSets currently require a [Headless Service](/docs/concepts/services-networking/service/#headless-services) to be responsible for the network identity of the Pods. You are responsible for creating this Service. +* StatefulSets do not provide any guarantees on the termination of pods when a StatfulSet is deleted. To achieve ordered and graceful termination of the pods in the StatefulSet, it is possible to scale the StatefulSet down to 0 prior to deletion. ## Components The example below demonstrates the components of a StatefulSet.