Informer on Zhao Xuehttps://xuezhaojun.github.io/tags/informer/Recent content in Informer on Zhao XueHugoen-usFri, 24 Apr 2026 00:00:00 +0000从一次 Reconcile 风暴聊起：彻底搞懂 K8s Controller 和 Operator 模式https://xuezhaojun.github.io/collections/k8s-internals/k8s-controller/Fri, 24 Apr 2026 00:00:00 +0000https://xuezhaojun.github.io/collections/k8s-internals/k8s-controller/200+ 集群同时断连后重连，固定 RequeueAfter 绕过指数退避导致 API Server 雪崩。排查过程揭开 Controller 核心机制的全部秘密：Informer 的 List-Watch、DeltaFIFO、Indexer 缓存、WorkQueue 限速策略，以及 Operator 模式的工程哲学。