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Clarify that StatefulSet is stable in 1.9 (#6697)

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Dennis Benzinger | SAP Hybris
2017-12-18 18:35:30 +01:00
committed by Steve Perry
parent 385a5b7bc0
commit 63e9bfbe80
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docs/concepts/workloads/controllers/statefulset.md
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@@ -41,7 +41,7 @@ provides a set of stateless replicas. Controllers such as
## Limitations
* StatefulSet is a beta resource, not available in any Kubernetes release prior to 1.5.
* StatefulSet was a beta resource prior to 1.9 and not available in any Kubernetes release prior to 1.5.
* As with all alpha/beta resources, you can disable StatefulSet through the `--runtime-config` option passed to the apiserver.
* The storage for a given Pod must either be provisioned by a [PersistentVolume Provisioner](https://github.com/kubernetes/examples/tree/{{page.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.