Datayurei Blog

Blog posts and daily ramblings

Understand how does CRD server work when going though issue#130235

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. 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’s a specialized component for syncing, draining and dispatching event to its destination. ...

September 14, 2026 · 3 min · 554 words · Datayurei

Something I learned about kubernetes api-server watch mechanism when try solving issue#131721

Something about the Cache machanism I learn when I solving issue 131721 in k8s

September 4, 2026 · 3 min · 634 words · Datayurei

Frame Rate Issues in Some Games Such as Elden Ring Nightreign on Linux

A Linux gaming performance issue caused by split lock mitigation, and how to work around it.

May 28, 2026 · 1 min · 196 words · Datayurei

Fullscreen Issues When Gaming with Niri

A fullscreen issue that can appear when running games on Linux with Wayland and Niri.

May 22, 2026 · 1 min · 167 words · Datayurei

Hello Hugo

Initial post used to validate the Hugo and GitHub Actions deployment flow.

April 24, 2026 · 1 min · 22 words · Datayurei