https://plumephp.com/tags/eol/Recent content in EOL on PlumePHPHugozh-CNSun, 27 Sep 2026 10:00:00 +0800https://plumephp.com/kubernetes-cluster-upgrade/Sun, 27 Sep 2026 10:00:00 +0800https://plumephp.com/kubernetes-cluster-upgrade/<p>集群升级是 Kubernetes 平台团队<strong>风险最高、却最容易被忽视</strong>的日常操作。它不像加个节点那样可逆——一次不成功的控制面升级可能让整个集群进入不可服务状态，回滚还涉及 etcd 数据恢复。本指南从<strong>版本策略</strong>到<strong>执行步骤</strong>再到<strong>回滚与演练</strong>，带你建立一套「不慌不忙、可重复、可回滚」的生产升级体系。</p>