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wiki/concepts/拓扑分布约束.md
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wiki/concepts/拓扑分布约束.md
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title: "拓扑分布约束"
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type: concept
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tags: [Kubernetes, EKS, High-Availability]
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---
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## Description
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拓扑分布约束(Topology Spread Constraints)是 Kubernetes 提供的 Pod 分布控制机制,比 Pod 反亲和性更细粒度,可以控制 Pod 在可用区、节点等拓扑域的分布。
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## Use Case
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在 EKS 中确保工作负载在多个可用区间均匀分布,实现高可用性。
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## Related Concepts
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- [[Pod 反亲和性]]:更简单的 Pod 分布策略
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- [[EKS 可靠性]]
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## Related Entities
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- [[EKS]]
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- [[Kubernetes]]
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## Connections
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- [[拓扑分布约束]] ← 实现 [[EKS 可靠性]]
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