Kubernetes
496 briefings in the desk
Fresh Swap Features for Linux Users in Kubernetes 1.32
Swap is a fundamental and an invaluable Linux feature. It offers numerous benefits, such as effectively increasing a node’s memory by swapping out unused data, shielding nodes from system-level memory spikes, preventing Pods from crashing…
Ingress-nginx CVE-2025-1974: What You Need to Know
Today, the ingress-nginx maintainers have released patches for a batch of critical vulnerabilities that could make it easy for attackers to take over your Kubernetes cluster: ingress-nginx v1.12.1 and ingress-nginx v1.11.5. If you are…
Introducing JobSet
Authors: Daniel Vega-Myhre (Google), Abdullah Gharaibeh (Google), Kevin Hannon (Red Hat) In this article, we introduce JobSet, an open source API for representing distributed jobs. The goal of JobSet is to provide a unified API for…
Spotlight on SIG Apps
In our ongoing SIG Spotlight series, we dive into the heart of the Kubernetes project by talking to the leaders of its various Special Interest Groups (SIGs). This time, we focus on SIG Apps, the group responsible for everything related to…
Spotlight on SIG etcd
In this SIG etcd spotlight we talked with James Blair, Marek Siarkowicz, Wenjia Zhang, and Benjamin Wang to learn a bit more about this Kubernetes Special Interest Group. Introducing SIG etcd Frederico: Hello, thank you for the time! Let’s…
NFTables mode for kube-proxy
A new nftables mode for kube-proxy was introduced as an alpha feature in Kubernetes 1.29. Currently in beta, it is expected to be GA as of 1.33. The new mode fixes long-standing performance problems with the iptables mode and all users…
The Cloud Controller Manager Chicken and Egg Problem
Kubernetes 1.31 completed the largest migration in Kubernetes history, removing the in-tree cloud provider. While the component migration is now done, this leaves some additional complexity for users and installer projects (for example,…
Spotlight on SIG Architecture: Enhancements
This is the fourth interview of a SIG Architecture Spotlight series that will cover the different subprojects, and we will be covering SIG Architecture: Enhancements. In this SIG Architecture spotlight we talked with Kirsten Garrison, lead…
Kubernetes 1.32: Moving Volume Group Snapshots to Beta
Volume group snapshots were introduced as an Alpha feature with the Kubernetes 1.27 release. The recent release of Kubernetes v1.32 moved that support to beta. The support for volume group snapshots relies on a set of extension APIs for…
Enhancing Kubernetes API Server Efficiency with API Streaming
Managing Kubernetes clusters efficiently is critical, especially as their size is growing. A significant challenge with large clusters is the memory overhead caused by list requests. In the existing implementation, the kube-apiserver…
Kubernetes v1.32 Adds A New CPU Manager Static Policy Option For Strict CPU Reservation
In Kubernetes v1.32, after years of community discussion, we are excited to introduce a strict-cpu-reservation option for the CPU Manager static policy. This feature is currently in alpha, with the associated policy hidden by default. You…
Kubernetes v1.32: Memory Manager Goes GA
With Kubernetes 1.32, the memory manager has officially graduated to General Availability (GA), marking a significant milestone in the journey toward efficient and predictable memory allocation for containerized applications. Since…
Kubernetes v1.32: QueueingHint Brings a New Possibility to Optimize Pod Scheduling
The Kubernetes scheduler is the core component that selects the nodes on which new Pods run. The scheduler processes these new Pods one by one. Therefore, the larger your clusters, the more important the throughput of the scheduler…
Kubernetes v1.32: Penelope
Editors: Matteo Bianchi, Edith Puclla, William Rizzo, Ryota Sawada, Rashan Smith Announcing the release of Kubernetes v1.32: Penelope! In line with previous releases, the release of Kubernetes v1.32 introduces new stable, beta, and alpha…
Gateway API v1.2: WebSockets, Timeouts, Retries, and More
Kubernetes SIG Network is delighted to announce the general availability of Gateway API v1.2! This version of the API was released on October 3, and we're delighted to report that we now have a number of conformant implementations of it…
How we built a dynamic Kubernetes API Server for the API Aggregation Layer in Cozystack
Hi there! I'm Andrei Kvapil, but you might know me as @kvaps in communities dedicated to Kubernetes and cloud-native tools. In this article, I want to share how we implemented our own extension api-server in the open-source PaaS platform,…
Kubernetes v1.32 sneak peek
As we get closer to the release date for Kubernetes v1.32, the project develops and matures. Features may be deprecated, removed, or replaced with better ones for the project's overall health. This blog outlines some of the planned changes…
Spotlight on Kubernetes Upstream Training in Japan
We are organizers of Kubernetes Upstream Training in Japan. Our team is composed of members who actively contribute to Kubernetes, including individuals who hold roles such as member, reviewer, approver, and chair. Our goal is to increase…
Announcing the 2024 Steering Committee Election Results
The 2024 Steering Committee Election is now complete. The Kubernetes Steering Committee consists of 7 seats, 3 of which were up for election in 2024. Incoming committee members serve a term of 2 years, and all members are elected by the…
Spotlight on CNCF Deaf and Hard-of-hearing Working Group (DHHWG)
In recognition of Deaf Awareness Month and the importance of inclusivity in the tech community, we are spotlighting Catherine Paganini, facilitator and one of the founding members of CNCF Deaf and Hard-of-Hearing Working Group (DHHWG). In…
Spotlight on SIG Scheduling
In this SIG Scheduling spotlight we talked with Kensei Nakada, an approver in SIG Scheduling. Introductions Arvind: Hello, thank you for the opportunity to learn more about SIG Scheduling! Would you like to introduce yourself and tell us a…
Kubernetes v1.31: kubeadm v1beta4
As part of the Kubernetes v1.31 release, kubeadm is adopting a new (v1beta4) version of its configuration file format. Configuration in the previous v1beta3 format is now formally deprecated, which means it's supported but you should…
Kubernetes v1.31: New Kubernetes CPUManager Static Policy: Distribute CPUs Across Cores
In Kubernetes v1.31, we are excited to introduce a significant enhancement to CPU management capabilities: the distribute-cpus-across-cores option for the CPUManager static policy. This feature is currently in alpha and hidden by default,…
Kubernetes 1.31: Custom Profiling in Kubectl Debug Graduates to Beta
There are many ways of troubleshooting the pods and nodes in the cluster. However, kubectl debug is one of the easiest, highly used and most prominent ones. It provides a set of static profiles and each profile serves for a different kind…