Merge remote-tracking branch 'upstream/main' into dev-1.23
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@@ -79,7 +79,7 @@ If systemd doesn't use cgroup v2 by default, you can configure the system to use
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# dnf install -y grubby && \
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sudo grubby \
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--update-kernel=ALL \
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--args=”systemd.unified_cgroup_hierarchy=1"
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--args="systemd.unified_cgroup_hierarchy=1"
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```
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To apply the configuration, it is necessary to reboot the node.
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@@ -383,6 +383,12 @@ Run 'kubectl get nodes' on control-plane to see this machine join.
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A few seconds later, you should notice this node in the output from `kubectl get
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nodes` when run on the control-plane node.
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{{< note >}}
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As the cluster nodes are usually initialized sequentially, the CoreDNS Pods are likely to all run
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on the first control-plane node. To provide higher availability, please rebalance the CoreDNS Pods
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with `kubectl -n kube-system rollout restart deployment coredns` after at least one new node is joined.
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{{< /note >}}
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### (Optional) Controlling your cluster from machines other than the control-plane node
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In order to get a kubectl on some other computer (e.g. laptop) to talk to your
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@@ -76,7 +76,7 @@ then paging can slow down performance.
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You can place bounds on memory use for workloads using the kubelet
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parameters `--kubelet-reserve` and/or `--system-reserve`; these account
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for memory usage on the node (outside of containers), and reduce
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[NodeAllocatable](/docs/tasks/administer-cluster/reserve-compute-resources/#node-allocatable)).
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[NodeAllocatable](/docs/tasks/administer-cluster/reserve-compute-resources/#node-allocatable).
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As you deploy workloads, set resource limits on containers. This also subtracts from
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`NodeAllocatable` and prevents the scheduler from adding more pods once a node is full.
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