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    <managingEditor>17691281867@163.com (Wenzhuo Huang)</managingEditor>
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      <title>Playbook：K8s 成本优化实战——Karpenter &#43; 弹性占位 &#43; 精细 NodePool 的组合拳</title>
      <link>https://socake.github.io/playbook/k8s-cost-optimization-karpenter/</link>
      <pubDate>Thu, 30 Apr 2026 16:00:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
      <guid>https://socake.github.io/playbook/k8s-cost-optimization-karpenter/</guid>
      <description>Karpenter 不是开箱即用的省钱按钮。把它跑出真实收益，需要先做 NodePool 按 workload 分层，再处理 sandbox/gpu 这类不被 K8s 识别的工作负载，最后用 placeholder 占位 Pod 弥合「扩容慢但缩容快」的体验缺口。本文给出可直接 kubectl apply 的完整 yaml 与可 chmod +x 直接跑的脚本，覆盖安装、四类 NodePool、弹性占位、S3 Gateway Endpoint、MQ 降级、监控与告警。</description>
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      <title>OpenCost 实战：Kubernetes 成本可见性与多团队费用分摊</title>
      <link>https://socake.github.io/posts/opencost-kubernetes-cost-visibility/</link>
      <pubDate>Sun, 12 Apr 2026 14:00:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
      <guid>https://socake.github.io/posts/opencost-kubernetes-cost-visibility/</guid>
      <description>Kubernetes 成本不透明是 FinOps 落地的最大障碍。本文通过 OpenCost 构建完整的成本可见性体系，涵盖部署集成、云厂商价格接入、按团队分摊、Grafana 看板、超预算告警和自动周报推送，提供可直接复用的配置。</description>
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      <title>FinOps 实践：Kubernetes 成本治理体系建设</title>
      <link>https://socake.github.io/posts/finops-kubernetes-cost-governance/</link>
      <pubDate>Sun, 12 Apr 2026 10:00:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
      <guid>https://socake.github.io/posts/finops-kubernetes-cost-governance/</guid>
      <description>一套完整的 Kubernetes FinOps 落地路径：如何识别僵尸资源、配置成本分摊模型、利用 Karpenter 降低节点成本，以及如何将月账单从 $50k 压到 $30k。</description>
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      <title>Kubernetes 成本优化实战：系统性降本的四条路径</title>
      <link>https://socake.github.io/posts/k8s-%E6%88%90%E6%9C%AC%E4%BC%98%E5%8C%96%E5%AE%9E%E6%88%98/</link>
      <pubDate>Mon, 18 Aug 2025 13:07:00 +0800</pubDate>
      <author>17691281867@163.com (Wenzhuo Huang)</author>
      <guid>https://socake.github.io/posts/k8s-%E6%88%90%E6%9C%AC%E4%BC%98%E5%8C%96%E5%AE%9E%E6%88%98/</guid>
      <description>真实的降本案例：从发现成本异常到分析根因，通过 Karpenter 节点弹性伸缩、资源请求规格治理、大机型收敛等手段，系统性降低 AWS EC2 成本。包含具体配置和执行思路。</description>
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