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nexus/wiki/concepts/探针.md
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---
title: "探针"
type: concept
tags: [Kubernetes, EKS, Health-Check]
---
## Description
探针Probe是 Kubernetes 用于检测 Pod 健康状态的功能,包含三种类型:
- **Liveness Probe**:检测容器是否存活,失败时重启容器
- **Readiness Probe**:检测容器是否就绪,失败时从 Service 移除流量
- **Startup Probe**:检测容器是否启动完成,失败时重启容器(适用于启动慢的应用)
## Related Concepts
- [[EKS 可靠性]]
## Related Entities
- [[EKS]]
- [[Kubernetes]]
## Connections
- [[探针]] ← 实现 [[EKS 可靠性]]