Recent
KEP-555 Reading Notes: The Design Principles and Context of Server Side Apply
·2695 words·13 mins
Server Side Apply (SSA) has been GA since Kubernetes v1.22 (August 2021), and the Kubernetes blog even published a post encouraging everyone to adopt it.
In October 2022, Argo CD v2.5.0 announced SSA support. In November 2025, Helm 4.0.0 was released with SSA enabled by default for new releases. So what exactly is “SSA”?
Understanding dynamic resource allocation in Kubernetes
·3228 words·16 mins
Dynamic Resource Allocation (DRA) recently reached GA in Kubernetes v1.35, and I believe many of us are eager to give it a try. Adding to the momentum, NVIDIA has moved dra-driver-nvidia-gpu into Kubernetes SIGs, with the documentation dropping the Beta label — a sign that the technology and its standards are gradually maturing.
For this post, I borrowed all the NVIDIA GPUs currently available at CNTUG Infra Labs to learn how to elegantly allocate devices and resources with DRA.
ExternalIPs Deprecated? From Design to Vulnerability to KEP-5707
·1288 words·7 mins
ExternalIPs has been part of Kubernetes Service since v1.0. After 11 years, SIG Network has decided to deprecate it starting from v1.36, with plans to lock the feature after v1.43. What happened?
2025 Year in Review
·896 words·5 mins
I originally planned to finish my 2025 year-in-review before the Lunar New Year, but ended up writing it two months after.
What is KYAML? KEP-5295 Reading Notes
·1918 words·10 mins
While carrying out some routine Release Signal tasks recently, I stumbled upon a PR titled KYAML. Is the Kubernetes community trying to create another YAML standard? Or is there something special about it?