Posts in 2022
Kubernetes 1.24: Maximum Unavailable Replicas for StatefulSet
By Mayank Kumar (Salesforce) | Friday, May 27, 2022 in Blog
Kubernetes StatefulSets, since their introduction in 1.5 and becoming stable in 1.9, have been widely used to run stateful applications. They provide stable pod identity, persistent per pod storage and ordered graceful deployment, scaling and rolling …
Contextual Logging in Kubernetes 1.24
By Patrick Ohly (Intel) | Wednesday, May 25, 2022 in Blog
The Structured Logging Working Group has added new capabilities to the logging infrastructure in Kubernetes 1.24. This blog post explains how developers can take advantage of those to make log output more useful and how they can get involved with …
Kubernetes 1.24: Avoid Collisions Assigning IP Addresses to Services
By Antonio Ojea (Red Hat) | Monday, May 23, 2022 in Blog
In Kubernetes, Services are an abstract way to expose an application running on a set of Pods. Services can have a cluster-scoped virtual IP address (using a Service of type: ClusterIP). Clients can connect using that virtual IP address, and …
Kubernetes 1.24: Introducing Non-Graceful Node Shutdown Alpha
By Xing Yang (VMware), Yassine Tijani (VMware) | Friday, May 20, 2022 in Blog
Kubernetes v1.24 introduces alpha support for Non-Graceful Node Shutdown. This feature allows stateful workloads to failover to a different node after the original node is shutdown or in a non-recoverable state such as hardware failure or broken OS. …
Kubernetes 1.24: Prevent unauthorised volume mode conversion
By Raunak Pradip Shah (Mirantis) | Wednesday, May 18, 2022 in Blog
Kubernetes v1.24 introduces a new alpha-level feature that prevents unauthorised users from modifying the volume mode of a PersistentVolumeClaim created from an existing VolumeSnapshot in the Kubernetes cluster. The problem The Volume Mode determines …
Kubernetes 1.24: Volume Populators Graduate to Beta
By Ben Swartzlander (NetApp) | Monday, May 16, 2022 in Blog
The volume populators feature is now two releases old and entering beta! The AnyVolumeDataSource feature gate defaults to enabled in Kubernetes v1.24, which means that users can specify any custom resource as the data source of a PVC. An earlier blog …
Kubernetes 1.24: gRPC container probes in beta
By Sergey Kanzhelev (Google) | Friday, May 13, 2022 in Blog
_Update: Since this article was posted, the feature was graduated to GA in v1.27 and doesn't require any feature gates to be enabled. With Kubernetes 1.24 the gRPC probes functionality entered beta and is available by default. Now you can configure …
Kubernetes 1.24: Storage Capacity Tracking Now Generally Available
By Patrick Ohly (Intel) | Friday, May 06, 2022 in Blog
The v1.24 release of Kubernetes brings storage capacity tracking as a generally available feature. Problems we have solved As explained in more detail in the previous blog post about this feature, storage capacity tracking allows a CSI driver to …
Kubernetes 1.24: Volume Expansion Now A Stable Feature
By Hemant Kumar (Red Hat) | Thursday, May 05, 2022 in Blog
Volume expansion was introduced as a alpha feature in Kubernetes 1.8 and it went beta in 1.11 and with Kubernetes 1.24 we are excited to announce general availability(GA) of volume expansion. This feature allows Kubernetes users to simply edit their …
Kubernetes 1.24: Stargazer
By Kubernetes 1.24 Release Team | Tuesday, May 03, 2022 in Blog
We are excited to announce the release of Kubernetes 1.24, the first release of 2022! This release consists of 46 enhancements: fourteen enhancements have graduated to stable, fifteen enhancements are moving to beta, and thirteen enhancements are …