Posts in 2024

  • Kubernetes v1.31: kubeadm v1beta4

    By Paco Xu (DaoCloud) | Friday, August 23, 2024 in Blog

    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 migrate to …

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  • Kubernetes 1.31: Fine-grained SupplementalGroups control

    By Shingo Omura (Woven By Toyota) | Thursday, August 22, 2024 in Blog

    This blog discusses a new feature in Kubernetes 1.31 to improve the handling of supplementary groups in containers within Pods. Motivation: Implicit group memberships defined in /etc/group in the container image Although this behavior may not be …

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  • Kubernetes 1.31: Custom Profiling in Kubectl Debug Graduates to Beta

    By Arda Güçlü (Red Hat) | Thursday, August 22, 2024 in Blog

    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 of role. …

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  • Kubernetes 1.31: Pod Failure Policy for Jobs Goes GA

    By Michał Woźniak (Google), Shannon Kularathna (Google) | Monday, August 19, 2024 in Blog

    This post describes Pod failure policy, which graduates to stable in Kubernetes 1.31, and how to use it in your Jobs. About Pod failure policy When you run workloads on Kubernetes, Pods might fail for a variety of reasons. Ideally, workloads like …

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  • Kubernetes 1.31: Read Only Volumes Based On OCI Artifacts (alpha)

    By Sascha Grunert | Friday, August 16, 2024 in Blog

    The Kubernetes community is moving towards fulfilling more Artificial Intelligence (AI) and Machine Learning (ML) use cases in the future. While the project has been designed to fulfill microservice architectures in the past, it’s now time to listen …

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  • Kubernetes 1.31: Prevent PersistentVolume Leaks When Deleting out of Order

    By Deepak Kinni (Broadcom) | Friday, August 16, 2024 in Blog

    PersistentVolume (or PVs for short) are associated with Reclaim Policy. The reclaim policy is used to determine the actions that need to be taken by the storage backend on deletion of the PVC Bound to a PV. When the reclaim policy is Delete, the …

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  • Kubernetes 1.31: MatchLabelKeys in PodAffinity graduates to beta

    By Kensei Nakada (Tetrate) | Friday, August 16, 2024 in Blog

    Kubernetes 1.29 introduced new fields MatchLabelKeys and MismatchLabelKeys in PodAffinity and PodAntiAffinity. In Kubernetes 1.31, this feature moves to beta and the corresponding feature gate (MatchLabelKeysInPodAffinity) gets enabled by default. …

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  • Kubernetes v1.31: Accelerating Cluster Performance with Consistent Reads from Cache

    By Marek Siarkowicz (Google) | Thursday, August 15, 2024 in Blog

    Kubernetes is renowned for its robust orchestration of containerized applications, but as clusters grow, the demands on the control plane can become a bottleneck. A key challenge has been ensuring strongly consistent reads from the etcd datastore, …

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  • Kubernetes v1.31: PersistentVolume Last Phase Transition Time Moves to GA

    By Roman Bednář (Red Hat) | Wednesday, August 14, 2024 in Blog

    Announcing the graduation to General Availability (GA) of the PersistentVolume lastTransitionTime status field, in Kubernetes v1.31! The Kubernetes SIG Storage team is excited to announce that the "PersistentVolumeLastPhaseTransitionTime" …

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  • Kubernetes 1.31: Moving cgroup v1 Support into Maintenance Mode

    By Harshal Patil | Wednesday, August 14, 2024 in Blog

    As Kubernetes continues to evolve and adapt to the changing landscape of container orchestration, the community has decided to move cgroup v1 support into maintenance mode in v1.31. This shift aligns with the broader industry's move towards cgroup …

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