Posts in 2025

  • 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 …

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  • Updates to Container Lifecycle in Kubernetes v1.33

    By Sreeram Venkitesh (DigitalOcean) | Wednesday, April 23, 2025 in Blog

    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 signal sent …

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  • Kubernetes 1.33: Job's SuccessPolicy Goes GA

    Wednesday, April 23, 2025 in Blog

    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 leader-follower …

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  • From Secrets to Service Accounts: Kubernetes Image Pulls Evolved

    By Anish Ramasekar (Microsoft) | Wednesday, April 23, 2025 in Blog

    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, automatically …

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  • 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 …

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  • 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 …

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  • 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 …

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  • 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 …

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  • 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 …

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  • 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 …

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