https://yennj12.js.org/yennj12_blog_V4/tags/hpa/Recent content in HPA on YennJ12 Engineering BlogHugo -- gohugo.ioen-usSun, 09 Nov 2025 16:00:00 +0800https://yennj12.js.org/yennj12_blog_V4/posts/kubernetes-autoscaling-complete-guide-part1-horizontal-pod-autoscaler/Sun, 09 Nov 2025 10:00:00 +0800https://yennj12.js.org/yennj12_blog_V4/posts/kubernetes-autoscaling-complete-guide-part1-horizontal-pod-autoscaler/Part 1 of the Kubernetes Autoscaling series: Deep dive into Horizontal Pod Autoscaler (HPA) approaches, comparing resource-based, custom metrics, external metrics, and event-driven autoscaling with KEDA. Learn when to use each approach with real-world examples and production best practices.https://yennj12.js.org/yennj12_blog_V4/posts/kubernetes-autoscaling-complete-guide-part3-hands-on-hpa-demo/Sun, 09 Nov 2025 16:00:00 +0800https://yennj12.js.org/yennj12_blog_V4/posts/kubernetes-autoscaling-complete-guide-part3-hands-on-hpa-demo/Part 3 of the Kubernetes Autoscaling series: Hands-on tutorial demonstrating Horizontal Pod Autoscaler with a real Apache-PHP application. Includes complete AWS CDK infrastructure code, Kubernetes manifests, load testing, and step-by-step deployment guide.https://yennj12.js.org/yennj12_blog_V4/posts/kubernetes-complete-guide-part3-advanced-zh/Sat, 11 Oct 2025 13:00:00 +0800https://yennj12.js.org/yennj12_blog_V4/posts/kubernetes-complete-guide-part3-advanced-zh/🎯 前言 經過前兩篇的學習，我們已經掌握了 Kubernetes 的基礎概念與核心資源操作。本文將深入探討進階功能與生產環境實踐，幫助你構建企業級的容器平台。 本文重點： 自動擴展（HPA/VPA/CA） RBAC 權限管理 Network Policy 網路策略 Helm 套件管理 監控與告警系統 日誌收集方案 CI/CD 整合 生產環境最佳實踐 ⚡ 自動擴展機制 擴展類型對照 graph TB A[Kubernetes 自動擴展] --> B[HPA<br/>水平 Pod 擴展] A --> C[VPA<br/>垂直 Pod 擴展] A --> D[CA<br/>叢集自動擴展] B --> B1[根據 CPU/記憶體<br/>自動調整 Pod 數量] C --> C1[根據資源使用<br/>調整 Pod 資源限制] D --> D1[根據負載<br/>自動增減節點] style A fill:#326ce5 style B fill:#4ecdc4 style C fill:#feca57 style D fill:#ff6b6b HPA (Horizontal Pod Autoscaler) 基於 CPU 的 HPA：