Posts in 2025
Continuing the transition from Endpoints to EndpointSlices
By Dan Winship (Red Hat) | Thursday, April 24, 2025 in Blog
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 via the …
Kubernetes v1.33: Octarine
By Kubernetes v1.33 Release Team | Wednesday, April 23, 2025 in Blog
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 releases …
Kubernetes Multicontainer Pods: An Overview
By Agata Skorupka (The Scale Factory) | Tuesday, April 22, 2025 in Blog
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 technique that …
Introducing kube-scheduler-simulator
By Kensei Nakada (Tetrate) | Monday, April 07, 2025 in Blog
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 started as …
Kubernetes v1.33 sneak peek
By Agustina Barbetta, Aakanksha Bhende, Udi Hofesh, Ryota Sawada, Sneha Yadav | Wednesday, March 26, 2025 in Blog
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 v1.33 …
Fresh Swap Features for Linux Users in Kubernetes 1.32
By Itamar Holder (Red Hat) | Tuesday, March 25, 2025 in Blog
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 when they …
Ingress-nginx CVE-2025-1974: What You Need to Know
By Tabitha Sable (Kubernetes Security Response Committee) | Monday, March 24, 2025 in Blog
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. If you are among the over 40% of Kubernetes administrators using …
Introducing JobSet
Sunday, March 23, 2025 in Blog
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 distributed ML …
Spotlight on SIG Apps
By Sandipan Panda (DevZero) | Wednesday, March 12, 2025 in Blog
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
By Frederico Muñoz (SAS Institute) | Tuesday, March 04, 2025 in Blog
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 start with …