Posts in 2020
Scaling Kubernetes Networking With EndpointSlices
By Rob Scott (Google) | Wednesday, September 02, 2020 in Blog
EndpointSlices are an exciting new API that provides a scalable and extensible alternative to the Endpoints API. EndpointSlices track IP addresses, ports, readiness, and topology information for Pods backing a Service. In Kubernetes 1.19 this feature …
Ephemeral volumes with storage capacity tracking: EmptyDir on steroids
By Patrick Ohly (Intel) | Tuesday, September 01, 2020 in Blog
Some applications need additional storage but don't care whether that data is stored persistently across restarts. For example, caching services are often limited by memory size and can move infrequently used data into storage that is slower than …
Increasing the Kubernetes Support Window to One Year
By Tim Pepper (VMware), Nick Young (VMware) | Monday, August 31, 2020 in Blog
Starting with Kubernetes 1.19, the support window for Kubernetes versions will increase from 9 months to one year. The longer support window is intended to allow organizations to perform major upgrades at a time of the year that works the best for …
Kubernetes 1.19: Accentuate the Paw-sitive
By Kubernetes 1.19 Release Team | Wednesday, August 26, 2020 in Blog
Finally, we have arrived with Kubernetes 1.19, the second release for 2020, and by far the longest release cycle lasting 20 weeks in total. It consists of 34 enhancements: 10 enhancements are moving to stable, 15 enhancements in beta, and 9 …
Moving Forward From Beta
By Tim Bannister (The Scale Factory) | Friday, August 21, 2020 in Blog
In Kubernetes, features follow a defined lifecycle. First, as the twinkle of an eye in an interested developer. Maybe, then, sketched in online discussions, drawn on the online equivalent of a cafe napkin. This rough work typically becomes a …
Introducing Hierarchical Namespaces
By Adrian Ludwin (Google) | Friday, August 14, 2020 in Blog
Safely hosting large numbers of users on a single Kubernetes cluster has always been a troublesome task. One key reason for this is that different organizations use Kubernetes in different ways, and so no one tenancy model is likely to suit everyone. …
Physics, politics and Pull Requests: the Kubernetes 1.18 release interview
By Craig Box (Google) | Monday, August 03, 2020 in Blog
The start of the COVID-19 pandemic couldn't delay the release of Kubernetes 1.18, but unfortunately a small bug could — thankfully only by a day. This was the last cat that needed to be herded by 1.18 release lead Jorge Alarcón before the release on …
Music and math: the Kubernetes 1.17 release interview
By Adam Glick (Google) | Monday, July 27, 2020 in Blog
Every time the Kubernetes release train stops at the station, we like to ask the release lead to take a moment to reflect on their experience. That takes the form of an interview on the weekly Kubernetes Podcast from Google that I co-host with Craig …
SIG-Windows Spotlight
Tuesday, June 30, 2020 in Blog
This post tells the story of how Kubernetes contributors work together to provide a container orchestrator that works for both Linux and Windows. Most people who are familiar with Kubernetes are probably used to associating it with Linux. The …
Working with Terraform and Kubernetes
By Philipp Strube (Kubestack) | Monday, June 29, 2020 in Blog
Maintaining Kubestack, an open-source Terraform GitOps Framework for Kubernetes, I unsurprisingly spend a lot of time working with Terraform and Kubernetes. Kubestack provisions managed Kubernetes services like AKS, EKS and GKE using Terraform but …