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* [kubelet](/docs/reference/command-line-tools-reference/kubelet/) - The primary *node agent* that runs on each node. The kubelet takes a set of PodSpecs and ensures that the described containers are running and healthy.
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* [kube-apiserver](/docs/reference/command-line-tools-reference/kube-apiserver/) - REST API that validates and configures data for API objects such as pods, services, replication controllers.
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## Components
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* [kubelet](/docs/reference/command-line-tools-reference/kubelet/) - The
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primary agent that runs on each node. The kubelet takes a set of PodSpecs
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and ensures that the described containers are running and healthy.
REST API that validates and configures data for API objects such as pods,
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services, replication controllers.
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* [kube-controller-manager](/docs/reference/command-line-tools-reference/kube-controller-manager/) - Daemon that embeds the core control loops shipped with Kubernetes.
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* [kube-proxy](/docs/reference/command-line-tools-reference/kube-proxy/) - Can do simple TCP/UDP stream forwarding or round-robin TCP/UDP forwarding across a set of back-ends.
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* [kube-proxy](/docs/reference/command-line-tools-reference/kube-proxy/) - Can
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do simple TCP/UDP stream forwarding or round-robin TCP/UDP forwarding across
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a set of back-ends.
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* [kube-scheduler](/docs/reference/command-line-tools-reference/kube-scheduler/) - Scheduler that manages availability, performance, and capacity.
An archive of the design docs for Kubernetes functionality. Good starting points are [Kubernetes Architecture](https://git.k8s.io/community/contributors/design-proposals/architecture/architecture.md) and [Kubernetes Design Overview](https://git.k8s.io/community/contributors/design-proposals).
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An archive of the design docs for Kubernetes functionality. Good starting points are
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[Kubernetes Architecture](https://git.k8s.io/community/contributors/design-proposals/architecture/architecture.md) and
When a single StorageClass resource has this annotation set to `"true"`, new Physical Volume Claim resource without a class specified will be assigned this default class.
@@ -327,14 +387,50 @@ Starting in v1.18, this annotation is deprecated in favor of `spec.ingressClassN
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The kubelet can set this annotation on a Node to denote its configured IPv4 address.
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When kubelet is started with the "external" cloud provider, it sets this annotation on the Node to denote an IP address set from the command line flag (`--node-ip`). This IP is verified with the cloud provider as valid by the cloud-controller-manager.
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**The taints listed below are always used on Nodes**
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-->
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kubectl 在 Node 上设置此注解,表示它的 IPv4 地址。
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当 kubectl 由外部的云供应商启动时,在 Node 上设置此注解,表示由命令行标记(`--node-ip`)设置的 IP 地址。
The value of the annotation is the container name that is default for this Pod. For example, `kubectl logs` or `kubectl exec` without `-c` or `--container` flag will use this default container.
In Kubernetes clusters v1.21 (or later), the Endpoints controller adds this annotation to an Endpoints resource if it has more than 1000 endpoints. The annotation indicates that the Endpoints resource is over capacity.
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**The taints listed below are always used on Nodes**
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