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recommend draining the node before updating kubelet #43053

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Sep 26, 2023
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recommend draining the node before updating kubelet #43053

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5 changes: 5 additions & 0 deletions content/en/docs/tasks/administer-cluster/cluster-upgrade.md
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Expand Up @@ -59,6 +59,11 @@ For each node in your cluster, [drain](/docs/tasks/administer-cluster/safely-dra
that node and then either replace it with a new node that uses the {{< skew currentVersion >}}
kubelet, or upgrade the kubelet on that node and bring the node back into service.

{{< caution >}}
Draining nodes before upgrading kubelet ensures that pods are re-admitted and containers are
re-created, which may be necessary to resolve some security issues or other important bugs.
{{</ caution >}}

### Other deployments {#upgrade-other}

Refer to the documentation for your cluster deployment tool to learn the recommended set
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