whentimeslows/website
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge pull request #26786 from neolit123/1.21-cgroup-drivers-new-page

Browse Source 
kubeadm: add separate page for configuring / migrating cgroup driver
This commit is contained in:
Kubernetes Prow Robot
2021-03-30 09:21:57 -07:00
committed by GitHub
parent 0d2a4c7d1b 235509450a
commit e7a3482b6a
3 changed files with 142 additions and 26 deletions
Download Patch File Download Diff File Expand all files Collapse all files
content/en/docs/setup/production-environment/container-runtimes.md
+6 -1
View File
@@ -48,7 +48,7 @@ Changing the settings such that your container runtime and kubelet use `systemd`
stabilized the system. To configure this for Docker, set `native.cgroupdriver=systemd`.
{{< caution >}}
Changing the cgroup driver of a Node that has joined a cluster is strongly *not* recommended.
Changing the cgroup driver of a Node that has joined a cluster is a sensitive operation.
If the kubelet has created Pods using the semantics of one cgroup driver, changing the container
runtime to another cgroup driver can cause errors when trying to re-create the Pod sandbox
for such existing Pods. Restarting the kubelet may not solve such errors.
@@ -57,6 +57,11 @@ If you have automation that makes it feasible, replace the node with another usi
configuration, or reinstall it using automation.
{{< /caution >}}
### Migrating to the `systemd` driver in kubeadm managed clusters
Follow this [Migration guide](/tasks/administer-cluster/kubeadm/configure-cgroup-driver)
if you wish to migrate to the `systemd` cgroup driver in existing kubeadm managed clusters.
## Container runtimes
{{% thirdparty-content %}}