<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>Operator on Zhao Xue</title><link>https://xuezhaojun.github.io/tags/operator/</link><description>Recent content in Operator on Zhao Xue</description><generator>Hugo</generator><language>en-us</language><lastBuildDate>Fri, 24 Apr 2026 00:00:00 +0000</lastBuildDate><atom:link href="https://xuezhaojun.github.io/tags/operator/index.xml" rel="self" type="application/rss+xml"/><item><title>从一次 Reconcile 风暴聊起：彻底搞懂 K8s Controller 和 Operator 模式</title><link>https://xuezhaojun.github.io/collections/k8s-internals/k8s-controller/</link><pubDate>Fri, 24 Apr 2026 00:00:00 +0000</pubDate><guid>https://xuezhaojun.github.io/collections/k8s-internals/k8s-controller/</guid><description>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。</description></item><item><title>从一次 CR 删不掉聊起：彻底搞懂 CRD、Finalizer 和 Webhook</title><link>https://xuezhaojun.github.io/collections/k8s-internals/k8s-crd/</link><pubDate>Fri, 24 Apr 2026 00:00:00 +0000</pubDate><guid>https://xuezhaojun.github.io/collections/k8s-internals/k8s-crd/</guid><description>kubectl delete 某个 CR 后一直卡在 Terminating，&amp;ndash;force 也无效。排查过程串联 CRD 的设计哲学：自定义资源如何在 API Server 中&amp;rsquo;活起来&amp;rsquo;、Finalizer 如何保证安全清理、Webhook 如何扩展准入控制，以及那些让人抓狂的版本迁移坑。</description></item></channel></rss>