Worker nodes that host and run the container workloads.One or more control plane nodes that host components for administering the cluster and scheduling container workloads.A brief guide to KubernetesĪ Kubernetes cluster is comprised of two types of nodes: You can also jump directly to the metrics. Before we dive in, because OpenShift is based on Kubernetes, let’s quickly look at how Kubernetes works and what OpenShift adds to it. We will also go over cluster events, which can provide further insight into how your cluster is performing. Container and node resource and quota metrics.We will look at three broad categories of metrics: Primarily, this involves monitoring the Kubernetes objects that are the foundation of OpenShift. In this post, we will cover key metrics that will give you insight into the health, performance, and capacity of your OpenShift cluster. It helps ensure that all deployed workloads are running smoothly and that the environment is properly scoped so that developers can continue to deploy and scale apps. Monitoring your OpenShift clusters is vital for both administrators and developers. These include more robust multi-tenancy features, advanced security and monitoring, integrated networking and storage, CI/CD pipelines, container image management, and other developer tools. OpenShift provides a range of benefits over a self-hosted Kubernetes installation or a managed Kubernetes service (e.g., Amazon EKS, Google Kubernetes Engine, or Azure Kubernetes Service). Users can deploy OpenShift as a self-managed cluster or use a managed service, which are available from major cloud providers including AWS, Azure, and IBM Cloud. Red Hat OpenShift is a Kubernetes-based platform that helps enterprise users deploy and maintain containerized applications. Within this blog post, we will refer to this term as “primary”, except for the sake of clarity in instances where we must reference a specific metric name. Editor’s note: OpenShift uses the term “master” to describe its architecture and certain metric names.
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