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Merge pull request #29663 from abhibhaw/issue-29524

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feat: Documents effects on secrets when memory swap is enabled
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Kubernetes Prow Robot
2021-12-05 20:10:32 -08:00
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parent a3c6627798 8bc9488622
commit 440409e8b1
1 changed files with 5 additions and 0 deletions
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content/en/docs/concepts/architecture/nodes.md
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@@ -451,6 +451,11 @@ the kubelet, and the `--fail-swap-on` command line flag or `failSwapOn`
[configuration setting](/docs/reference/config-api/kubelet-config.v1beta1/#kubelet-config-k8s-io-v1beta1-KubeletConfiguration) [configuration setting](/docs/reference/config-api/kubelet-config.v1beta1/#kubelet-config-k8s-io-v1beta1-KubeletConfiguration)
must be set to false. must be set to false.
{{< warning >}}
When the memory swap feature is turned on, Kubernetes data such as the content
of Secret objects that were written to tmpfs now could be swapped to disk.
{{< /warning >}}
A user can also optionally configure `memorySwap.swapBehavior` in order to A user can also optionally configure `memorySwap.swapBehavior` in order to
specify how a node will use swap memory. For example, specify how a node will use swap memory. For example,