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--- | ||
title: 调度,抢占和驱逐 | ||
weight: 90 | ||
content_type: concept | ||
description: > | ||
在Kubernetes中,调度 (scheduling) 指的是确保 Pods 匹配到合适的节点, | ||
以便 kubelet 能够运行它们。抢占 (Preemption) 指的是终止低优先级的 Pods 以便高优先级的 Pods 可以 | ||
调度运行的过程。驱逐 (Eviction) 是在资源匮乏的节点上,主动让一个或多个 Pods 失效的过程。 | ||
--- | ||
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<!-- | ||
--- | ||
title: "Scheduling, Preemption and Eviction" | ||
weight: 90 | ||
content_type: concept | ||
description: > | ||
In Kubernetes, scheduling refers to making sure that Pods are matched to Nodes | ||
so that the kubelet can run them. Preemption is the process of terminating | ||
Pods with lower Priority so that Pods with higher Priority can schedule on | ||
Nodes. Eviction is the process of proactively terminating one or more Pods on | ||
resource-starved Nodes. | ||
no_list: true | ||
--- | ||
--> | ||
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<!-- | ||
In Kubernetes, scheduling refers to making sure that {{<glossary_tooltip text="Pods" term_id="pod">}} | ||
are matched to {{<glossary_tooltip text="Nodes" term_id="node">}} so that the | ||
{{<glossary_tooltip text="kubelet" term_id="kubelet">}} can run them. Preemption | ||
is the process of terminating Pods with lower {{<glossary_tooltip text="Priority" term_id="pod-priority">}} | ||
so that Pods with higher Priority can schedule on Nodes. Eviction is the process | ||
of terminating one or more Pods on Nodes. | ||
--> | ||
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<!-- ## Scheduling --> | ||
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## 调度 | ||
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* [Kubernetes 调度器](/zh/docs/concepts/scheduling-eviction/kube-scheduler/) | ||
* [将 Pods 指派到节点](/zh/docs/concepts/scheduling-eviction/assign-pod-node/) | ||
* [Pod 开销](/zh/docs/concepts/scheduling-eviction/pod-overhead/) | ||
* [污点和容忍](/zh/docs/concepts/scheduling-eviction/taint-and-toleration/) | ||
* [调度框架](/zh/docs/concepts/scheduling-eviction/scheduling-framework) | ||
* [调度器的性能调试](/zh/docs/concepts/scheduling-eviction/scheduler-perf-tuning/) | ||
* [扩展资源的资源装箱](/zh/docs/concepts/scheduling-eviction/resource-bin-packing/) | ||
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<!-- ## Pod Disruption --> | ||
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## Pod 干扰 | ||
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* [Pod 优先级和抢占](/zh/docs/concepts/scheduling-eviction/pod-priority-preemption/) | ||
* [节点压力驱逐](/zh/docs/concepts/scheduling-eviction/pod-priority-preemption/) | ||
* [API发起的驱逐](/zh/docs/concepts/scheduling-eviction/api-eviction/) |