Labels are key/value pairs that are attached to objects such as Pods. Labels are intended to be used to specify identifying attributes of objects that are meaningful and relevant to users, but do not directly imply semantics to the core system. Labels can be used to organize and to select subsets of objects. Labels can be attached to objects at creation time and subsequently added and modified at any time.

A StatefulSet runs a group of Pods, and maintains a sticky identity for each of those Pods. This is useful for managing applications that need persistent storage or a stable, unique network identity.

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This page describes how kubelet managed Containers can use the Container lifecycle hook framework to run code triggered by events during their management lifecycle. Overview Analogous to many programming language frameworks that have component lifecycle hooks, such as Angular, Kubernetes provides Containers with lifecycle hooks. The hooks enable Containers to be aware of events in their management lifecycle and run code implemented in a handler when the corresponding lifecycle hook is executed.

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Your workload can discover Services within your cluster using DNS; this page explains how that works.

Information on authentication options in Kubernetes and their security properties.

FEATURE STATE: Kubernetes v1.31 [beta] (enabled by default: false) This page assumes that you are familiar with StorageClasses, volumes and PersistentVolumes in Kubernetes. A VolumeAttributesClass provides a way for administrators to describe the mutable "classes" of storage they offer. Different classes might map to different quality-of-service levels. Kubernetes itself is un-opinionated about what these classes represent. This is a beta feature and disabled by default. If you want to test the feature whilst it's beta, you need to enable the VolumeAttributesClass feature gate for the kube-controller-manager, kube-scheduler, and the kube-apiserver.

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.

Principles and practices for good RBAC design for cluster operators.