Setting appropriate resource requirements in Pods is one of the most critical tasks of a developer deploying in Kubernetes. In section 5.2 of my book, I discuss how you can use kubectl top pods to analyze and set resource values. If you’re fortunate enough to use GKE where the VPA component is offered out of… Continue reading Getting resource recommendations from VPA
Tag: kfd-bonus
Scaling container resources automatically with VPA
Vertical Pod Autoscaling is a system that measures Pod utilization and attempts to set the right resource requests. For example, if the Pod is constantly using more CPU, VPA will increase the CPU requests. Contrasting Horizontal Pod Autoscaling (HPA) which can create more replicas as your Pods use more resources, VPA changes the resources of… Continue reading Scaling container resources automatically with VPA
Isolating namespaces with NetworkPolicy
Kubernetes allows for multi-tenancy within the cluster using namespaces. You can host multiple different applications each in their own namespace that at times can feel almost like a separate cluster. If you configure RBAC you can grant users and service accounts access to specific namespaces and even control what objects they can modify within. However,… Continue reading Isolating namespaces with NetworkPolicy
Configuring phpMyAdmin with CloudSQL, RDS, and Docker
I still have a place in my heart for phpMyAdmin, that tool that I was introduced when developing PHP on my shared hosting provider many moons ago. It’s just a great way to inspect your MariaDB/MySQL databases. These days I don’t install any web applications (or databases) on my local machine, I use Docker for… Continue reading Configuring phpMyAdmin with CloudSQL, RDS, and Docker