Posts in 2021

  • Minimum Ready Seconds for StatefulSets

    Friday, August 27, 2021 in Blog

    Authors: Ravi Gudimetla (Red Hat), Maciej Szulik (Red Hat) This blog describes the notion of Availability for StatefulSet workloads, and a new alpha feature in Kubernetes 1.22 which adds minReadySeconds configuration for StatefulSets. What problems …

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  • Enable seccomp for all workloads with a new v1.22 alpha feature

    Wednesday, August 25, 2021 in Blog

    Author: Sascha Grunert, Red Hat This blog post is about a new Kubernetes feature introduced in v1.22, which adds an additional security layer on top of the existing seccomp support. Seccomp is a security mechanism for Linux processes to filter system …

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  • Alpha in v1.22: Windows HostProcess Containers

    Monday, August 16, 2021 in Blog

    Authors: Brandon Smith (Microsoft) Kubernetes v1.22 introduced a new alpha feature for clusters that include Windows nodes: HostProcess containers. HostProcess containers aim to extend the Windows container model to enable a wider range of Kubernetes …

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  • Kubernetes Memory Manager moves to beta

    Wednesday, August 11, 2021 in Blog

    Authors: Artyom Lukianov (Red Hat), Cezary Zukowski (Samsung) The blog post explains some of the internals of the Memory manager, a beta feature of Kubernetes 1.22. In Kubernetes, the Memory Manager is a kubelet subcomponent. The memory manage …

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  • New in Kubernetes v1.22: alpha support for using swap memory

    Monday, August 09, 2021 in Blog

    Author: Elana Hashman (Red Hat) The 1.22 release introduced alpha support for configuring swap memory usage for Kubernetes workloads on a per-node basis. In prior releases, Kubernetes did not support the use of swap memory on Linux, as it is …

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  • Kubernetes 1.22: CSI Windows Support (with CSI Proxy) reaches GA

    Monday, August 09, 2021 in Blog

    Authors: Mauricio Poppe (Google), Jing Xu (Google), and Deep Debroy (Apple) The stable version of CSI Proxy for Windows has been released alongside Kubernetes 1.22. CSI Proxy enables CSI Drivers running on Windows nodes to perform privileged storage …

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  • Kubernetes 1.22: Server Side Apply moves to GA

    Friday, August 06, 2021 in Blog

    Authors: Jeffrey Ying, Google & Joe Betz, Google Server-side Apply (SSA) has been promoted to GA in the Kubernetes v1.22 release. The GA milestone means you can depend on the feature and its API, without fear of future backwards-incompatible …

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  • Kubernetes 1.22: Reaching New Peaks

    Wednesday, August 04, 2021 in Blog

    Authors: Kubernetes 1.22 Release Team We’re pleased to announce the release of Kubernetes 1.22, the second release of 2021! This release consists of 53 enhancements: 13 enhancements have graduated to stable, 24 enhancements are moving to beta, and 16 …

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  • Roorkee robots, releases and racing: the Kubernetes 1.21 release interview

    Thursday, July 29, 2021 in Blog

    Author: Craig Box (Google) With Kubernetes 1.22 due out next week, now is a great time to look back on 1.21. The release team for that version was led by Nabarun Pal from VMware. Back in April I interviewed Nabarun on the weekly Kubernetes Podcast …

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  • Updating NGINX-Ingress to use the stable Ingress API

    Monday, July 26, 2021 in Blog

    Authors: James Strong, Ricardo Katz With all Kubernetes APIs, there is a process to creating, maintaining, and ultimately deprecating them once they become GA. The networking.k8s.io API group is no different. The upcoming Kubernetes 1.22 release will …

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