Posts in 2023
k8s.gcr.io Image Registry Will Be Frozen From the 3rd of April 2023
Monday, February 06, 2023 in Blog
Authors: Mahamed Ali (Rackspace Technology) The Kubernetes project runs a community-owned image registry called registry.k8s.io to host its container images. On the 3rd of April 2023, the old registry k8s.gcr.io will be frozen and no further images …
Spotlight on SIG Instrumentation
Friday, February 03, 2023 in Blog
Author: Imran Noor Mohamed (Delivery Hero) Observability requires the right data at the right time for the right consumer (human or piece of software) to make the right decision. In the context of Kubernetes, having best practices for cluster …
Consider All Microservices Vulnerable — And Monitor Their Behavior
Friday, January 20, 2023 in Blog
Author: David Hadas (IBM Research Labs) This post warns Devops from a false sense of security. Following security best practices when developing and configuring microservices do not result in non-vulnerable microservices. The post shows that although …
Protect Your Mission-Critical Pods From Eviction With PriorityClass
Thursday, January 12, 2023 in Blog
Author: Sunny Bhambhani (InfraCloud Technologies) Kubernetes has been widely adopted, and many organizations use it as their de-facto orchestration engine for running workloads that need to be created and deleted frequently. Therefore, proper …
Kubernetes 1.26: Eviction policy for unhealthy pods guarded by PodDisruptionBudgets
Friday, January 06, 2023 in Blog
Authors: Filip Křepinský (Red Hat), Morten Torkildsen (Google), Ravi Gudimetla (Apple) Ensuring the disruptions to your applications do not affect its availability isn't a simple task. Last month's release of Kubernetes v1.26 lets you specify an …
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 …
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 …
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 …
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 …
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 …