Posts in 2022
Kubernetes 1.26: Job Tracking, to Support Massively Parallel Batch Workloads, Is Generally Available
By Aldo Culquicondor (Google) | Thursday, December 29, 2022 in Blog
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 foundational improvement since Kubernetes …
Kubernetes v1.26: CPUManager goes GA
By Francesco Romani (Red Hat) | Tuesday, December 27, 2022 in Blog
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 reliable and fulfilled its role of …
Kubernetes 1.26: Pod Scheduling Readiness
By Wei Huang (Apple), Abdullah Gharaibeh (Google) | Monday, December 26, 2022 in Blog
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 does it solve? When a Pod is created, the scheduler …
Kubernetes 1.26: Support for Passing Pod fsGroup to CSI Drivers At Mount Time
By Fabio Bertinatto (Red Hat), Hemant Kumar (Red Hat) | Friday, December 23, 2022 in Blog
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 feature has graduated to General Availability (GA). In this …
Kubernetes v1.26: GA Support for Kubelet Credential Providers
By Andrew Sy Kim (Google), Dixita Narang (Google) | Thursday, December 22, 2022 in Blog
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 image registry. Background Kubernetes supports the …
Kubernetes 1.26: Introducing Validating Admission Policies
By Joe Betz (Google), Cici Huang (Google) | Tuesday, December 20, 2022 in Blog
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 alternative to validating admission webhooks. CEL was …
Kubernetes 1.26: Device Manager graduates to GA
By Swati Sehgal (Red Hat) | Monday, December 19, 2022 in Blog
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 feature graduated to Beta in …
Kubernetes 1.26: Non-Graceful Node Shutdown Moves to Beta
By Xing Yang (VMware), Ashutosh Kumar (VMware) | Friday, December 16, 2022 in Blog
Kubernetes v1.24 introduced an alpha quality implementation of improvements for handling a non-graceful node shutdown. In Kubernetes v1.26, this feature moves to beta. This feature allows stateful workloads to failover to a different node after the …
Kubernetes 1.26: Alpha API For Dynamic Resource Allocation
By Patrick Ohly (Intel), Kevin Klues (NVIDIA) | Thursday, December 15, 2022 in Blog
Dynamic resource allocation is a new API for requesting resources. It is a generalization of the persistent volumes API for generic resources, making it possible to: access the same resource instance in different pods and containers, attach arbitrary …
Kubernetes 1.26: Windows HostProcess Containers Are Generally Available
By Brandon Smith (Microsoft), Mark Rossetti (Microsoft) | Tuesday, December 13, 2022 in Blog
The long-awaited day has arrived: HostProcess containers, the Windows equivalent to Linux privileged containers, has finally made it to GA in Kubernetes 1.26! What are HostProcess containers and why are they useful? Cluster operators are often faced …