Kubernetes
496 briefings in the desk
Start Sidecar First: How To Avoid Snags
From the Kubernetes Multicontainer Pods: An Overview blog post you know what their job is, what are the main architectural patterns, and how they are implemented in Kubernetes. The main thing I’ll cover in this article is how to ensure…
Gateway API v1.3.0: Advancements in Request Mirroring, CORS, Gateway Merging, and Retry Budgets
Join us in the Kubernetes SIG Network community in celebrating the general availability of Gateway API v1.3.0! We are also pleased to announce that there are already a number of conformant implementations to try, made possible by…
Kubernetes v1.33: In-Place Pod Resize Graduated to Beta
On behalf of the Kubernetes project, I am excited to announce that the in-place Pod resize feature (also known as In-Place Pod Vertical Scaling), first introduced as alpha in Kubernetes v1.27, has graduated to Beta and will be enabled by…
Announcing etcd v3.6.0
This announcement originally appeared on the etcd blog. Today, we are releasing etcd v3.6.0, the first minor release since etcd v3.5.0 on June 15, 2021. This release introduces several new features, makes significant progress on…
Kubernetes 1.33: Job's SuccessPolicy Goes GA
On behalf of the Kubernetes project, I'm pleased to announce that Job success policy has graduated to General Availability (GA) as part of the v1.33 release. About Job's Success Policy In batch workloads, you might want to use…
Kubernetes v1.33: Updates to Container Lifecycle
Kubernetes v1.33 introduces a few updates to the lifecycle of containers. The Sleep action for container lifecycle hooks now supports a zero sleep duration (feature enabled by default). There is also alpha support for customizing the stop…
Kubernetes v1.33: Job's Backoff Limit Per Index Goes GA
In Kubernetes v1.33, the Backoff Limit Per Index feature reaches general availability (GA). This blog describes the Backoff Limit Per Index feature and its benefits. About backoff limit per index When you run workloads on Kubernetes, you…
Kubernetes v1.33: Image Pull Policy the way you always thought it worked!
Image Pull Policy the way you always thought it worked! Some things in Kubernetes are surprising, and the way imagePullPolicy behaves might be one of them. Given Kubernetes is all about running pods, it may be peculiar to learn that there…
Kubernetes v1.33: Streaming List responses
Managing Kubernetes cluster stability becomes increasingly critical as your infrastructure grows. One of the most challenging aspects of operating large-scale clusters has been handling List requests that fetch substantial datasets - a…
Kubernetes 1.33: Volume Populators Graduate to GA
Kubernetes volume populators are now generally available (GA)! The AnyVolumeDataSource feature gate is treated as always enabled for Kubernetes v1.33, which means that users can specify any appropriate custom resource as the data source of…
Kubernetes v1.33: From Secrets to Service Accounts: Kubernetes Image Pulls Evolved
Kubernetes has steadily evolved to reduce reliance on long-lived credentials stored in the API. A prime example of this shift is the transition of Kubernetes Service Account (KSA) tokens from long-lived, static tokens to ephemeral,…
Kubernetes v1.33: Fine-grained SupplementalGroups Control Graduates to Beta
The new field, supplementalGroupsPolicy, was introduced as an opt-in alpha feature for Kubernetes v1.31 and has graduated to beta in v1.33; the corresponding feature gate (SupplementalGroupsPolicy) is now enabled by default. This feature…
Kubernetes v1.33: Prevent PersistentVolume Leaks When Deleting out of Order graduates to GA
I am thrilled to announce that the feature to prevent PersistentVolume (or PVs for short) leaks when deleting out of order has graduated to General Availability (GA) in Kubernetes v1.33! This improvement, initially introduced as a beta…
Kubernetes v1.33: Mutable CSI Node Allocatable Count
Scheduling stateful applications reliably depends heavily on accurate information about resource availability on nodes. Kubernetes v1.33 introduces an alpha feature called mutable CSI node allocatable count, allowing Container Storage…
Kubernetes v1.33: New features in DRA
Kubernetes Dynamic Resource Allocation (DRA) was originally introduced as an alpha feature in the v1.26 release, and then went through a significant redesign for Kubernetes v1.31. The main DRA feature went to beta in v1.32, and the project…
Kubernetes v1.33: Storage Capacity Scoring of Nodes for Dynamic Provisioning (alpha)
Kubernetes v1.33 introduces a new alpha feature called StorageCapacityScoring. This feature adds a scoring method for pod scheduling with the topology-aware volume provisioning. This feature eases to schedule pods on nodes with either the…
Kubernetes v1.33: Image Volumes graduate to beta!
Image Volumes were introduced as an Alpha feature with the Kubernetes v1.31 release as part of KEP-4639. In Kubernetes v1.33, this feature graduates to beta. Please note that the feature is still disabled by default, because not all…
Kubernetes v1.33: HorizontalPodAutoscaler Configurable Tolerance
This post describes configurable tolerance for horizontal Pod autoscaling, a new alpha feature first available in Kubernetes 1.33. What is it? Horizontal Pod Autoscaling is a well-known Kubernetes feature that allows your workload to…
Kubernetes v1.33: User Namespaces enabled by default!
In Kubernetes v1.33 support for user namespaces is enabled by default. This means that, when the stack requirements are met, pods can opt-in to use user namespaces. To use the feature there is no need to enable any Kubernetes feature flag…
Kubernetes v1.33: Continuing the transition from Endpoints to EndpointSlices
Since the addition of EndpointSlices (KEP-752) as alpha in v1.15 and later GA in v1.21, the Endpoints API in Kubernetes has been gathering dust. New Service features like dual-stack networking and traffic distribution are only supported…
Kubernetes v1.33: Octarine
Editors: Agustina Barbetta, Aakanksha Bhende, Udi Hofesh, Ryota Sawada, Sneha Yadav Similar to previous releases, the release of Kubernetes v1.33 introduces new stable, beta, and alpha features. The consistent delivery of high-quality…
Kubernetes Multicontainer Pods: An Overview
As cloud-native architectures continue to evolve, Kubernetes has become the go-to platform for deploying complex, distributed systems. One of the most powerful yet nuanced design patterns in this ecosystem is the sidecar pattern—a…
Introducing kube-scheduler-simulator
The Kubernetes Scheduler is a crucial control plane component that determines which node a Pod will run on. Thus, anyone utilizing Kubernetes relies on a scheduler. kube-scheduler-simulator is a simulator for the Kubernetes scheduler, that…
Kubernetes v1.33 sneak peek
As the release of Kubernetes v1.33 approaches, the Kubernetes project continues to evolve. Features may be deprecated, removed, or replaced to improve the overall health of the project. This blog post outlines some planned changes for the…