Cloud-Native on Datayurei Bloghttps://blog.datayurei.com/en/categories/cloud-native/Recent content in Cloud-Native on Datayurei BlogHugoen-USMon, 14 Sep 2026 15:27:00 +0800Understand how does CRD server work when going though issue#130235https://blog.datayurei.com/en/posts/k8s-issue-130235/Mon, 14 Sep 2026 15:27:00 +0800https://blog.datayurei.com/en/posts/k8s-issue-130235/<p>This issue is relate to the controller and handler, which is the part of code I am not familiar. Therefore it consumes me days to understand how does it work inside the rcd server.</p> <p>CRD server(maybe it is not precise?) is contained inside the api-server and is called as apiextension-server actually in code. It handles CRD request and events when the event arrives, which is sent by a shared Informer. Here I want to add some about Informer: it&rsquo;s a specialized component for syncing, draining and dispatching event to its destination.</p>Something I learned about kubernetes api-server watch mechanism when try solving issue#131721https://blog.datayurei.com/en/posts/k8s-issue-131721/Fri, 04 Sep 2026 23:45:00 +0800https://blog.datayurei.com/en/posts/k8s-issue-131721/Something about the Cache machanism I learn when I solving issue 131721 in k8s