QEMU/KVM are a popular backend for OpenStack. In StarlingX Openstack (stx-openstack) this is also the case. I’ll try to describe various techniques that I used to optimize RT behavior on an STX 4.0.1 cluster with worker nodes. Terminology Bare-Metal is a a physical computer and it’s base OS Host is a bare-metal machine that runs VMs Thread is a core of a CPU CPU thread refers to the thread on the host system CPU ...
I have spent time looking at edge deployments of kubernetes, especially, those that are managed by the Ops team in an industry 4.0 setting. Here are my candidates: KubeEdge k3s and k3os StarlingX I present my brief impressions of each below. This post will need updates as my research goes on. Background Edge is often used as a vague term for either one of CDN, factory network or IT data center. There is a fair amount of confusion where cloud transforms into “Edge”. ...
Annotations are a great feature in Kubernetes and a means for communicating to kata some options. They are being documented as of the time of this writing Using annotations, you can: Customize the Kernel that is used (see KernelPath example below) Change the guest image (ImagePath) Hypervisor (HypervisorPath) Firmware (FirmwarePath) etc. etc. (All of the annotations are listed in annotations.go) Using a Custom Kernel Here is the yaml file I used to apply a custom kernel: ...
Setting up Kata using Docker This is documented here: https://github.com/kata-containers/packaging/blob/master/kata-deploy/README.md#docker-quick-start Using Minikube and Kata This PR is adding the documentation to get started with minikube: https://github.com/kata-containers/documentation/pull/445# Using kubeadm First, set up a Kubernetes cluster using kubeadm: https://kubernetes.io/docs/setup/production-environment/tools/kubeadm/create-cluster-kubeadm/ then, https://github.com/kata-containers/packaging/blob/master/kata-deploy/README.md#kubernetes-quick-start Conclusion Using the new kata-deploy method, it is very easy to set up a Kubernetes cluster that uses Kata Containers.