Posts in 2024
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Image Filesystem: Configuring Kubernetes to store containers on a separate filesystem
By Kevin Hannon (Red Hat) | Tuesday, January 23, 2024 in Blog
A common issue in running/operating Kubernetes clusters is running out of disk space. When the node is provisioned, you should aim to have a good amount of storage space for your container images and running containers. The container runtime usually …
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Spotlight on SIG Release (Release Team Subproject)
By Nitish Kumar | Monday, January 15, 2024 in Blog
The Release Special Interest Group (SIG Release), where Kubernetes sharpens its blade with cutting-edge features and bug fixes every 4 months. Have you ever considered how such a big project like Kubernetes manages its timeline so efficiently to …
Posts in 2023
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Contextual logging in Kubernetes 1.29: Better troubleshooting and enhanced logging
By Mengjiao Liu (DaoCloud), Patrick Ohly (Intel) | Wednesday, December 20, 2023 in Blog
On behalf of the Structured Logging Working Group and SIG Instrumentation, we are pleased to announce that the contextual logging feature introduced in Kubernetes v1.24 has now been successfully migrated to two components (kube-scheduler and …
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Kubernetes 1.29: PodReadyToStartContainers Condition Moves to Beta
By Zefeng Chen (independent), Kevin Hannon (Red Hat) | Tuesday, December 19, 2023 in Blog
With the recent release of Kubernetes 1.29, the PodReadyToStartContainers condition is available by default. The kubelet manages the value for that condition throughout a Pod's lifecycle, in the status field of a Pod. The kubelet will use the …
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Kubernetes 1.29: Decoupling taint-manager from node-lifecycle-controller
By Yuan Chen (Apple), Andrea Tosatto (Apple) | Tuesday, December 19, 2023 in Blog
This blog discusses a new feature in Kubernetes 1.29 to improve the handling of taint-based pod eviction. Background In Kubernetes 1.29, an improvement has been introduced to enhance the taint-based pod eviction handling on nodes. This blog discusses …
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Kubernetes 1.29: Single Pod Access Mode for PersistentVolumes Graduates to Stable
By Chris Henzie (Google) | Monday, December 18, 2023 in Blog
With the release of Kubernetes v1.29, the ReadWriteOncePod volume access mode has graduated to general availability: it's part of Kubernetes' stable API. In this blog post, I'll take a closer look at this access mode and what it does. What is …
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Kubernetes 1.29: New (alpha) Feature, Load Balancer IP Mode for Services
By Aohan Yang | Monday, December 18, 2023 in Blog
This blog introduces a new alpha feature in Kubernetes 1.29. It provides a configurable approach to define how Service implementations, exemplified in this blog by kube-proxy, handle traffic from pods to the Service, within the cluster. Background In …
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Kubernetes 1.29: VolumeAttributesClass for Volume Modification
By Sunny Song (Google) | Friday, December 15, 2023 in Blog
The v1.29 release of Kubernetes introduced an alpha feature to support modifying a volume by changing the volumeAttributesClassName that was specified for a PersistentVolumeClaim (PVC). With the feature enabled, Kubernetes can handle updates of …
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Kubernetes 1.29: CSI Storage Resizing Authenticated and Generally Available in v1.29
By Humble Chirammal (Vmware), Louis Koo (deeproute.ai) | Friday, December 15, 2023 in Blog
Kubernetes version v1.29 brings generally available support for authentication during CSI (Container Storage Interface) storage resize operations. Let's embark on the evolution of this feature, initially introduced in alpha in Kubernetes v1.25, and …
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Kubernetes 1.29: Cloud Provider Integrations Are Now Separate Components
By Michael McCune (Red Hat), Andrew Sy Kim (Google) | Thursday, December 14, 2023 in Blog
For Kubernetes v1.29, you need to use additional components to integrate your Kubernetes cluster with a cloud infrastructure provider. By default, Kubernetes v1.29 components abort if you try to specify integration with any cloud provider using one …