Why Is My Kubernetes Job Still Pending? Tracing Kueue Admission with Headlamp
You submit a Kubernetes Job and wait for its Pods to appear. A minute passes. Then another. The Job is still suspended, there are no application logs, and th...
Kubernetes Blog Articles
Updated 2 min ago · 50 articles from Kubernetes Blog
The Shift to cgroup v2 in Kubernetes: What You Need to Know
In Linux, cgroups (control groups) are a kernel feature used for managing system resources. Kubernetes uses cgroups to allocate resources like CPU and memory...
Scaling Kubernetes Workloads with Node Swap
Memory is often the first hard limit a Kubernetes cluster hits. Nodes run out of RAM long before they run out of CPU, and the new wave of agentic AI workload...
Spotlight on SIG Apps
As Kubernetes adoption has grown, the conversation has shifted beyond running containers to managing increasingly complex application lifecycles. Modern plat...
Kubernetes v1.37: Tracking When a PersistentVolumeClaim Was Last Used (Beta)
Kubernetes v1.37 promotes the PersistentVolumeClaimUnusedSinceTime feature gate to Beta (enabled by default). With this feature, the PersistentVolumeClaim (P...
Kubernetes v1.37: Hardening Container Storage with Bind Mount Options and EmptyDir Permissions
Kubernetes v1.37 brings important storage security features: emptyDir permission modes and bind mount options. They help application programmers and security...
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Kubernetes v1.37: Pod-Level Resource Managers graduated to Beta
With the release of Kubernetes v1.37, the Pod-Level Resource Managers feature has graduated to Beta status (disabled by default)! First introduced as an Alph...
Kubernetes Changed Block Tracking API - Beta Differences
Changed Block Tracking (CBT) support for CSI drivers shipped as Alpha in September 2025. With the March 2026 v1.0.0 release of the external-snapshot-metadata...
Kubernetes v1.37: Memory QoS Graduates to Beta
Memory QoS has graduated to Beta in Kubernetes v1.37 and is now enabled by default. On Linux nodes running cgroup v2, the feature uses the memory controller ...
Kubernetes v1.37: Native Histograms Graduates to Beta
I'm excited to announce that native histogram support for Kubernetes metrics is graduating to Beta and is enabled by default in Kubernetes v1.37! Native hist...
Kubernetes v1.37: Scheduler Preemption for In-Place Pod Resize (Alpha)
In Kubernetes, resource allocation has historically been a static decision made during a Pod's initial scheduling and placement. With the graduation of the c...
Kubernetes v1.37: Introducing Node Lifecycle Conditions
Kubernetes has many ways to describe what is happening on a Node. Readiness, taints, Pod state, labels, annotations, and provider-specific APIs each expose p...
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