Posts in 2025

  • 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 …

    Read more

  • Kubernetes v1.33 sneak peek

    By Agustina Barbetta, Aakanksha Bhende, Udi Hofesh, Ryota Sawada, Sneha Yadav | Monday, March 24, 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 …

    Read more

  • 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 …

    Read more

  • 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 …

    Read more

  • 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 …

    Read more

  • NFTables mode for kube-proxy

    By Dan Winship (Red Hat) | Friday, February 28, 2025 in Blog

    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 running on …

    Read more

  • The Cloud Controller Manager Chicken and Egg Problem

    By Antonio Ojea, Michael McCune | Friday, February 14, 2025 in Blog

    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, kOps or …

    Read more

  • Spotlight on SIG Architecture: Enhancements

    By Frederico Muñoz (SAS Institute) | Tuesday, January 21, 2025 in Blog

    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 of the …

    Read more

Posts in 2024

  • Kubernetes 1.32: Moving Volume Group Snapshots to Beta

    By Xing Yang (VMware by Broadcom) | Wednesday, December 18, 2024 in Blog

    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 group …

    Read more

  • Enhancing Kubernetes API Server Efficiency with API Streaming

    By Stefan Schimanski (Upbound), Wojciech Tyczynski (Google), Lukasz Szaszkiewicz (Red Hat) | Tuesday, December 17, 2024 in Blog

    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 processes list …

    Read more