Reading Time: 2 minutesIntro I recently ran into capacity issues in Azure and saw firsthand how AKS VMSS node pools behave when you use deallocated nodes to speed up start-times. I’ll walk through the three node-pool zone models documented by Microsoft, then share what really happened in my setup and how I worked Read more
Reading Time: 6 minutesRecently, while catching up on the latest AKS release notes, I spotted a brand-new preview feature that promises to trim unnecessary CPU and memory usage from system add-ons: cost optimised add-on scaling.In a nutshell, Microsoft has wired the managed Vertical Pod Autoscaler (VPA) into key AKS add-ons (think CoreDNS, Workload Read more
Reading Time: 4 minutesRecently while testing out the latest version of the aks-preview Azure CLI extension, I stumbled across a new preview feature: Managed Namespaces in Azure Kubernetes Service (AKS). At the time of writing, this feature hasn’t been officially documented by Microsoft, but you can already try it for yourself using the Read more
Reading Time: 2 minutesAzure Kubernetes Service (AKS) has rolled out a new feature in preview: the AKS Security Dashboard. This dashboard centralizes security insights, making it easier for cluster administrators and resource owners to identify and address vulnerabilities and misconfigurations directly from the AKS portal. Security is one of the top concerns for Read more
Reading Time: 4 minutesAlright, I’ll admit it, I’m a bit biased towards Azure AKS. It’s hard not to be, given the depth of automation and integration it offers. But that doesn’t mean I can’t appreciate a solid effort from AWS, and EKS Auto Mode is definitely a step in the right direction. It’s Read more
Reading Time: 3 minutesAzure Kubernetes Service (AKS) has just released a new preview feature called Optimize for undrainable node behavior, designed to make the upgrade process smoother. This feature lets you control how upgrades handle nodes that can’t be drained, reducing disruptions and keeping your cluster running more predictably during upgrades. If you’ve Read more
Reading Time: 4 minutesAs someone who works with numerous customers and frequently builds landing zones using Infrastructure as Code (IaC), I often find myself spinning up and tearing down Azure Kubernetes Service (AKS) clusters in quick succession. These clusters often only stay up for a few minutes, but each time, my KubeConfig file Read more
Reading Time: 5 minutesIn today’s cloud-native world, securing your Kubernetes clusters is more critical than ever. Traditional IP-based security measures often fall short in dynamic environments where IP addresses change frequently. This is where Fully Qualified Domain Name (FQDN) filtering comes into play, offering a more efficient and scalable way to manage network Read more
Reading Time: 2 minutesWhen managing AKS clusters, ensuring smooth upgrades with minimal disruptions is key to keeping your applications running efficiently. By fine-tuning your upgrade strategy, you can improve performance and reduce downtime. In this post, I’ll walk you through how to optimize upgrades in AKS using features like Planned Maintenance Windows, Max Read more
Reading Time: 2 minutesHey everyone! Today, I’m excited to share a new feature that’s just hit preview in Azure Kubernetes Service (AKS). If you’ve ever wrestled with managing IP addresses for API server access, you’re going to love this. Azure has introduced the ability to use Service Tags for API Server authorized IP Read more