Update nexus: fix conflicts and sync local changes
This commit is contained in:
Shen Wei
@@ -1,113 +1,113 @@
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---
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title: "Kubernetes"
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type: entity
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tags:
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- cloud
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- container
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- orchestration
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- devops
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created: 2026-04-25
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---
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# Kubernetes
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## Definition
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Kubernetes (K8s) 是 Google 开源的**容器编排平台**，用于自动化容器化应用的部署、扩缩容和管理。是云原生 (Cloud-Native) 架构的核心基础设施，也是 Agentic AI 自主修复 (Self-Healing) 的主要目标环境。
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## Aliases
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- K8s
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- Kubernetes
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- Container Orchestration Platform
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## Major Cloud Implementations
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| Provider | Service | Description |
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|----------|---------|-------------|
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| AWS | EKS (Elastic Kubernetes Service) | 托管 Kubernetes on AWS |
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| GCP | GKE (Google Kubernetes Engine) | 托管 Kubernetes on GCP |
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| Azure | AKS (Azure Kubernetes Service) | 托管 Kubernetes on Azure |
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## Kubernetes Self-Healing Capabilities
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Kubernetes 原生提供基础 Self-Healing 能力：
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```yaml
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# Kubernetes Self-Healing 原生机制
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apiVersion: apps/v1
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kind: Deployment
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spec:
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replicas: 3
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strategy:
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type: RollingUpdate
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template:
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spec:
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terminationGracePeriodSeconds: 30
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# 内置机制:
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# - 自动重启失败的容器
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# - 替换不健康的 Pod
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# - 滚动更新确保服务可用
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```
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Agentic AI 在原生能力基础上提供**更高级的自我修复**：
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| 能力 | Kubernetes 原生 | Agentic AI Enhanced |
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|------|---------------|-------------------|
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| Pod 重启 | ✅ 自动重启崩溃容器 | ✅ 智能分析根因 + 预防性重启 |
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| 扩缩容 | ✅ HPA 基于指标 | ✅ 预测性扩缩容 |
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| 节点恢复 | ✅ 节点故障迁移 | ✅ 主动健康检查 + 预防性迁移 |
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| 配置修复 | ❌ 需人工介入 | ✅ AI 自动修正 ConfigMap/Secret |
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## Agentic AI Monitoring Targets
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```
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┌─────────────────────────────────────────────────┐
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│ Agentic AI for Kubernetes │
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├─────────────────────────────────────────────────┤
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│ 监控层 │
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│ ├── Pod Metrics (CPU/Memory/Network) │
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│ ├── Workload Health (Deployment/ReplicaSet) │
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│ ├── Node Status (Ready/Condition) │
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│ └── Cluster Components (etcd, API Server) │
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│ │
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│ 决策层 │
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│ ├── Anomaly Detection (AI) │
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│ ├── Root Cause Analysis (AI) │
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│ └── Action Planning (AI) │
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│ │
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│ 执行层 │
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│ ├── kubectl API (restart/migrate/scale) │
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│ ├── HPA Override (AI-driven scaling) │
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│ └── Config Updates (AI-driven fixes) │
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└─────────────────────────────────────────────────┘
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```
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## Example
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> An AI agent monitoring AWS EKS clusters detects high CPU usage due to a rogue pod:
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> - Pod `payment-service-v2-abc123` CPU usage: 95%
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> - AI correlates with recent deployment timestamp
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> - AI identifies: Memory leak in new version
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> - AI Actions:
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> 1. Scale deployment to 3 replicas (distribute load)
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> 2. Create rollback ticket
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> 3. Notify team via Slack
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> 4. Auto-rollback after approval
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## Related Concepts
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- [[Self-Healing Systems]] — Kubernetes 是 Self-Healing 的主要载体
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- [[Cloud-Native]] — Kubernetes 是 Cloud-Native 的核心
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- [[Deployment Automation]] — Kubernetes 部署的自动化
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- [[Container Lifecycle Hardening]] — 容器安全加固
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## Related Entities
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- [[Agentic AI]] — Kubernetes 是 Agentic AI 的管理对象
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- EKS, GKE, AKS — 具体云服务商实现
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## Related Sources
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- [[how-agentic-ai-can-help-for-cloud-devops]]
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- [[ctp-topic-70-eks-deployment-using-iac]]
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---
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title: "Kubernetes"
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type: entity
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tags:
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- cloud
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- container
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- orchestration
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- devops
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created: 2026-04-25
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---
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# Kubernetes
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## Definition
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Kubernetes (K8s) 是 Google 开源的**容器编排平台**，用于自动化容器化应用的部署、扩缩容和管理。是云原生 (Cloud-Native) 架构的核心基础设施，也是 Agentic AI 自主修复 (Self-Healing) 的主要目标环境。
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## Aliases
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- K8s
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- Kubernetes
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- Container Orchestration Platform
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|
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## Major Cloud Implementations
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| Provider | Service | Description |
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|----------|---------|-------------|
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| AWS | EKS (Elastic Kubernetes Service) | 托管 Kubernetes on AWS |
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| GCP | GKE (Google Kubernetes Engine) | 托管 Kubernetes on GCP |
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| Azure | AKS (Azure Kubernetes Service) | 托管 Kubernetes on Azure |
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## Kubernetes Self-Healing Capabilities
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Kubernetes 原生提供基础 Self-Healing 能力：
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```yaml
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# Kubernetes Self-Healing 原生机制
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apiVersion: apps/v1
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kind: Deployment
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spec:
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replicas: 3
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strategy:
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type: RollingUpdate
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template:
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spec:
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terminationGracePeriodSeconds: 30
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# 内置机制:
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# - 自动重启失败的容器
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# - 替换不健康的 Pod
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# - 滚动更新确保服务可用
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```
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Agentic AI 在原生能力基础上提供**更高级的自我修复**：
|
||||
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| 能力 | Kubernetes 原生 | Agentic AI Enhanced |
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||||
|------|---------------|-------------------|
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| Pod 重启 | ✅ 自动重启崩溃容器 | ✅ 智能分析根因 + 预防性重启 |
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| 扩缩容 | ✅ HPA 基于指标 | ✅ 预测性扩缩容 |
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| 节点恢复 | ✅ 节点故障迁移 | ✅ 主动健康检查 + 预防性迁移 |
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| 配置修复 | ❌ 需人工介入 | ✅ AI 自动修正 ConfigMap/Secret |
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## Agentic AI Monitoring Targets
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```
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┌─────────────────────────────────────────────────┐
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│ Agentic AI for Kubernetes │
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├─────────────────────────────────────────────────┤
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│ 监控层 │
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│ ├── Pod Metrics (CPU/Memory/Network) │
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│ ├── Workload Health (Deployment/ReplicaSet) │
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│ ├── Node Status (Ready/Condition) │
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│ └── Cluster Components (etcd, API Server) │
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│ │
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│ 决策层 │
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│ ├── Anomaly Detection (AI) │
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│ ├── Root Cause Analysis (AI) │
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│ └── Action Planning (AI) │
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│ │
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│ 执行层 │
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│ ├── kubectl API (restart/migrate/scale) │
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│ ├── HPA Override (AI-driven scaling) │
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│ └── Config Updates (AI-driven fixes) │
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└─────────────────────────────────────────────────┘
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```
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## Example
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> An AI agent monitoring AWS EKS clusters detects high CPU usage due to a rogue pod:
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> - Pod `payment-service-v2-abc123` CPU usage: 95%
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> - AI correlates with recent deployment timestamp
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> - AI identifies: Memory leak in new version
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> - AI Actions:
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> 1. Scale deployment to 3 replicas (distribute load)
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> 2. Create rollback ticket
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> 3. Notify team via Slack
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> 4. Auto-rollback after approval
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## Related Concepts
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- [[Self-Healing Systems]] — Kubernetes 是 Self-Healing 的主要载体
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- [[Cloud-Native]] — Kubernetes 是 Cloud-Native 的核心
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- [[Deployment Automation]] — Kubernetes 部署的自动化
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- [[Container Lifecycle Hardening]] — 容器安全加固
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## Related Entities
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- [[Agentic AI]] — Kubernetes 是 Agentic AI 的管理对象
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- EKS, GKE, AKS — 具体云服务商实现
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## Related Sources
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- [[how-agentic-ai-can-help-for-cloud-devops]]
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- [[ctp-topic-70-eks-deployment-using-iac]]
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