Posts in 2023

  • Kubernetes v1.26: Retroactive Default StorageClass

    Thursday, January 05, 2023 in Blog

    Author: Roman Bednář (Red Hat) The v1.25 release of Kubernetes introduced an alpha feature to change how a default StorageClass was assigned to a PersistentVolumeClaim (PVC). With the feature enabled, you no longer need to create a default …

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  • Kubernetes v1.26: Alpha support for cross-namespace storage data sources

    Monday, January 02, 2023 in Blog

    Author: Takafumi Takahashi (Hitachi Vantara) Kubernetes v1.26, released last month, introduced an alpha feature that lets you specify a data source for a PersistentVolumeClaim, even where the source data belong to a different namespace. With the new …

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Posts in 2022

  • Kubernetes v1.26: Advancements in Kubernetes Traffic Engineering

    Friday, December 30, 2022 in Blog

    Authors: Andrew Sy Kim (Google) Kubernetes v1.26 includes significant advancements in network traffic engineering with the graduation of two features (Service internal traffic policy support, and EndpointSlice terminating conditions) to GA, and a …

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  • Kubernetes 1.26: Job Tracking, to Support Massively Parallel Batch Workloads, Is Generally Available

    Thursday, December 29, 2022 in Blog

    Authors: Aldo Culquicondor (Google) The Kubernetes 1.26 release includes a stable implementation of the Job controller that can reliably track a large amount of Jobs with high levels of parallelism. SIG Apps and WG Batch have worked on this …

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  • Kubernetes v1.26: CPUManager goes GA

    Tuesday, December 27, 2022 in Blog

    Author: Francesco Romani (Red Hat) The CPU Manager is a part of the kubelet, the Kubernetes node agent, which enables the user to allocate exclusive CPUs to containers. Since Kubernetes v1.10, where it graduated to Beta, the CPU Manager proved itself …

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  • Kubernetes 1.26: Pod Scheduling Readiness

    Monday, December 26, 2022 in Blog

    Author: Wei Huang (Apple), Abdullah Gharaibeh (Google) Kubernetes 1.26 introduced a new Pod feature: scheduling gates. In Kubernetes, scheduling gates are keys that tell the scheduler when a Pod is ready to be considered for scheduling. What problem …

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  • Kubernetes 1.26: Support for Passing Pod fsGroup to CSI Drivers At Mount Time

    Friday, December 23, 2022 in Blog

    Authors: Fabio Bertinatto (Red Hat), Hemant Kumar (Red Hat) Delegation of fsGroup to CSI drivers was first introduced as alpha in Kubernetes 1.22, and graduated to beta in Kubernetes 1.25. For Kubernetes 1.26, we are happy to announce that this …

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  • Kubernetes v1.26: GA Support for Kubelet Credential Providers

    Thursday, December 22, 2022 in Blog

    Authors: Andrew Sy Kim (Google), Dixita Narang (Google) Kubernetes v1.26 introduced generally available (GA) support for kubelet credential provider plugins, offering an extensible plugin framework to dynamically fetch credentials for any container …

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  • Kubernetes 1.26: Introducing Validating Admission Policies

    Tuesday, December 20, 2022 in Blog

    Authors: Joe Betz (Google), Cici Huang (Google) In Kubernetes 1.26, the 1st alpha release of validating admission policies is available! Validating admission policies use the Common Expression Language (CEL) to offer a declarative, in-process …

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  • Kubernetes 1.26: Device Manager graduates to GA

    Monday, December 19, 2022 in Blog

    Author: Swati Sehgal (Red Hat) The Device Plugin framework was introduced in the Kubernetes v1.8 release as a vendor independent framework to enable discovery, advertisement and allocation of external devices without modifying core Kubernetes. The …

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