Kubernetes Blog

Posts in 2019

• Poseidon-Firmament Scheduler – Flow Network Graph Based Scheduler

  By Deepak Vij (Huawei), Shivram Shrivastava (Huawei) | Wednesday, February 06, 2019 in Blog

  Introduction Cluster Management systems such as Mesos, Google Borg, Kubernetes etc. in a cloud scale datacenter environment (also termed as Datacenter-as-a-Computer or Warehouse-Scale Computing - WSC) typically manage application workloads by …

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• Update on Volume Snapshot Alpha for Kubernetes

  By DJing Xu (Google), Xing Yang (Huawei), Saad Ali (Google) | Thursday, January 17, 2019 in Blog

  Volume snapshotting support was introduced in Kubernetes v1.12 as an alpha feature. In Kubernetes v1.13, it remains an alpha feature, but a few enhancements were added and some breaking changes were made. This post summarizes the changes. Breaking …

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• Container Storage Interface (CSI) for Kubernetes GA

  By Saad Ali (Google) | Tuesday, January 15, 2019 in Blog

  The Kubernetes implementation of the Container Storage Interface (CSI) has been promoted to GA in the Kubernetes v1.13 release. Support for CSI was introduced as alpha in Kubernetes v1.9 release, and promoted to beta in the Kubernetes v1.10 release. …

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• APIServer dry-run and kubectl diff

  By Antoine Pelisse (Google Cloud) | Monday, January 14, 2019 in Blog

  Declarative configuration management, also known as configuration-as-code, is one of the key strengths of Kubernetes. It allows users to commit the desired state of the cluster, and to keep track of the different versions, improve auditing and …

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Posts in 2018

• Kubernetes Federation Evolution

  By Irfan Ur Rehman (Huawei), Paul Morie (RedHat), Shashidhara T D (Huawei) | Wednesday, December 12, 2018 in Blog

  Kubernetes provides great primitives for deploying applications to a cluster: it can be as simple as kubectl create -f app.yaml. Deploy apps across multiple clusters has never been that simple. How should app workloads be distributed? Should the app …

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• etcd: Current status and future roadmap

  By Gyuho Lee (Amazon), Joe Betz (Google Cloud) | Tuesday, December 11, 2018 in Blog

  etcd is a distributed key value store that provides a reliable way to manage the coordination state of distributed systems. etcd was first announced in June 2013 by CoreOS (part of Red Hat as of 2018). Since its adoption in Kubernetes in 2014, etcd …

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• New Contributor Workshop Shanghai

  By Josh Berkus (Red Hat), Yang Li (The Plant), Puja Abbassi (Giant Swarm), XiangPeng Zhao (ZTE) | Wednesday, December 05, 2018 in Blog

  Kubecon Shanghai New Contributor Summit attendees. Photo by Jerry Zhang We recently completed our first New Contributor Summit in China, at the first KubeCon in China. It was very exciting to see all of the Chinese and Asian developers (plus a few …

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• Production-Ready Kubernetes Cluster Creation with kubeadm

  By Lucas Käldström (CNCF), Luc Perkins (CNCF) | Tuesday, December 04, 2018 in Blog

  kubeadm is a tool that enables Kubernetes administrators to quickly and easily bootstrap minimum viable clusters that are fully compliant with Certified Kubernetes guidelines. It's been under active development by SIG Cluster Lifecycle since 2016 and …

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• Kubernetes 1.13: Simplified Cluster Management with Kubeadm, Container Storage Interface (CSI), and CoreDNS as Default DNS are Now Generally Available

  By Kubernetes v1.13 Release Team | Monday, December 03, 2018 in Blog

  We’re pleased to announce the delivery of Kubernetes 1.13, our fourth and final release of 2018! Kubernetes 1.13 has been one of the shortest releases to date at 10 weeks. This release continues to focus on stability and extensibility of Kubernetes …

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• Kubernetes Docs Updates, International Edition

  By Zach Corleissen (Linux Foundation) | Thursday, November 08, 2018 in Blog

  As a co-chair of SIG Docs, I'm excited to share that Kubernetes docs have a fully mature workflow for localization (l10n). Abbreviations galore L10n is an abbreviation for localization. I18n is an abbreviation for internationalization. I18n is what …

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