Production-Grade Container Orchestration

In order to support latency-critical and high-throughput workloads, Kubernetes offers a suite of Resource Managers. The managers aim to co-ordinate and optimise the alignment of node's resources for pods configured with a specific requirement for CPUs, devices, and memory (hugepages) resources. Hardware topology alignment policies Topology Manager is a kubelet component that aims to coordinate the set of components that are responsible for these optimizations. The overall resource management process is governed using the policy you specify.

Ways to provide both long-term and temporary storage to Pods in your cluster.

FEATURE STATE: Kubernetes v1.21 [alpha] CSI volume health monitoring allows CSI Drivers to detect abnormal volume conditions from the underlying storage systems and report them as events on PVCs or Pods. Volume health monitoring Kubernetes volume health monitoring is part of how Kubernetes implements the Container Storage Interface (CSI). Volume health monitoring feature is implemented in two components: an External Health Monitor controller, and the kubelet. If a CSI Driver supports Volume Health Monitoring feature from the controller side, an event will be reported on the related PersistentVolumeClaim (PVC) when an abnormal volume condition is detected on a CSI volume.

Kubernetes has various types of probes: Liveness probe Readiness probe Startup probe Liveness probe Liveness probes determine when to restart a container. For example, liveness probes could catch a deadlock when an application is running but unable to make progress. If a container fails its liveness probe repeatedly, the kubelet restarts the container. Liveness probes do not wait for readiness probes to succeed. If you want to wait before executing a liveness probe, you can either define initialDelaySeconds or use a startup probe.

Baseline guidelines around ensuring application security on Kubernetes, aimed at application developers

Production-Grade Container Orchestration

kubeadm does not support automated ways of reconfiguring components that were deployed on managed nodes. One way of automating this would be by using a custom operator. To modify the components configuration you must manually edit associated cluster objects and files on disk. This guide shows the correct sequence of steps that need to be performed to achieve kubeadm cluster reconfiguration. Before you begin You need a cluster that was deployed using kubeadm Have administrator credentials (/etc/kubernetes/admin.

Learn common tasks for administering a cluster.

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