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Release docs for Kubernetes 1.11 (#9171)

* Seperate priority and preemption (#8144)

* Doc about PID pressure condition. (#8211)

* Doc about PID pressure condition.

Signed-off-by: Da K. Ma <klaus1982.cn@gmail.com>

* "so" -> "too"

* Update version selector for 1.11

* StorageObjectInUseProtection is GA (#8291)

* Feature gate: StorageObjectInUseProtection is GA

Update feature gate reference for 1.11

* Trivial commit to re-trigger Netlify

* CRIContainerLogRotation is Beta in 1.11 (#8665)

* Seperate priority and preemption (#8144)

* CRIContainerLogRotation is Beta in 1.11

xref: kubernetes/kubernetes#64046

* Bring StorageObjectInUseProtection feature to GA (#8159)

* StorageObjectInUseProtection is GA (#8291)

* Feature gate: StorageObjectInUseProtection is GA

Update feature gate reference for 1.11

* Trivial commit to re-trigger Netlify

* Bring StorageObjectInUseProtection feature to GA

StorageObjectInUseProtection is Beta in K8s 1.10.

It's brought to GA in K8s 1.11.

* Fixed typo and added feature state tags.

* Remove KUBE_API_VERSIONS doc (#8292)

The support to the KUBER_API_VERSIONS environment variable is completely
dropped (no deprecation). This PR removes the related doc in
release-1.11.

xref: kubernetes/kubernetes#63165

* Remove InitialResources from admission controllers (#8293)

The feature (was experimental) is dropped in 1.11.

xref: kubernetes/kubernetes#58784

* Remove docs related to in-tree support to GPU (#8294)

* Remove docs related to in-tree support to GPU

The in-tree support to GPU is completely removed in release 1.11.
This PR removes the related docs in release-1.11 branch.

xref: kubernetes/kubernetes#61498

* Update content updated by PR to Hugo syntax

Signed-off-by: Misty Stanley-Jones <mistyhacks@google.com>

* Update the doc about extra volume in kubeadm config (#8453)

Signed-off-by: Xianglin Gao <xianglin.gxl@alibaba-inc.com>

* Update CRD Subresources for 1.11 (#8519)

* coredns: update notes in administer-cluster/coredns.md (#8697)

CoreDNS is installed by default in 1.11.
Add notes on how to install kube-dns instead.

Update notes about CoreDNS->CoreDNS upgrades as in 1.11
the Corefile is retained.

Add example on upgrading from kube-dns to CoreDNS.

* kubeadm-alpha: CoreDNS related changes (#8727)

Update note about CoreDNS feature gate.

This change also updates a tab as a kubeadm sub-command
will change.

It looks for a new generated file:
generated/kubeadm_alpha_phase_addon_coredns.md
instead of:
generated/kubeadm_alpha_phase_addon_kube-dns.md

* Update cloud controller manager docs to beta 1.11 (#8756)

* Update cloud controller manager docs to beta 1.11

* Use Hugo shortcode for feature state

* kubeadm-upgrade: include new command `kubeadm upgrade diff` (#8617)

Also:
- Include note that this was added in 1.11.
- Modify the note about upgrade guidance.

* independent: update CoreDNS mentions for kubeadm (#8753)

Give CoreDNS instead of kube-dns examples in:
- docs/setup/independent/create-cluster-kubeadm.md
- docs/setup/independent/troubleshooting-kubeadm.md

* update 1.11 --server-print info (#8870)

* update 1.11 --server-print info

* Copyedit

* Mark ExpandPersistentVolumes feature to beta (#8778)

* Update version selector for 1.11

* Mark ExpandPersistentVolumes Beta

xref: kubernetes/kubernetes#64288

* fix shortcode, add placeholder files to fix deploy failures (#8874)

* declare ipvs ga (#8850)

* kubeadm: update info about CoreDNS in kubeadm-init.md (#8728)

Add info to install kube-dns instead of CoreDNS, as CoreDNS
is the default DNS server in 1.11.

Add notes that kubeadm config images can be used to list and pull
the required images in 1.11.

* kubeadm: update implementation-details.md about CoreDNS (#8829)

- Replace examples from kube-dns to CoreDNS
- Add notes about the CoreDNS feature gate status in 1.11
- Add note that the service name for CoreDNS is also
called `kube-dns`

* Update block device support for 1.11 (#8895)

* Update block device support for 1.11

* Copyedits

* Fix typo 'fiber channel' (#8957)

Signed-off-by: Misty Stanley-Jones <mistyhacks@google.com>

* kubeadm-upgrade: add the 'node [config]' sub-command (#8960)

- Add includes for the generated pages
- Include placeholder generated pages

* kubeadm-init: update the example for the MasterConfiguration (#8958)

- include godocs link for MasterConfiguration
- include example MasterConfiguration
- add note that `kubeadm config print-default` can be used

* kubeadm-config: include new commands (#8862)

Add notes and includes for these new commands in 1.11:
- kubeadm config print-default
- kubeadm config migrate
- kubeadm config images list
- kubeadm config images pull

Include placeholder generated files for the above.

* administer-cluster/coredns: include more changes (#8985)

It was requested that for this page a couple of methods
should be outlined:
- manual installation for CoreDNS explained at the Kubernetes
section of the GitHub project for CoreDNS
- installation and upgrade via kubeadm

Make the above changes and also add a section "About CoreDNS".

This commit also lowercases a section title.

* Update CRD subresources doc for 1.11 (#8918)

* Add docs for volume expansion and online resizing (#8896)

* Add docs for volume expansion going beta

* Copyedit

* Address feedback

* Update exec plugin docs with TLS credentials (#8826)

* Update exec plugin docs with TLS credentials

kubernetes/kubernetes#61803 implements TLS client credential support for
1.11.

* Copyedit

* More copyedits for clarification

* Additional copyedit

* Change token->credential

* NodeRestriction admission prevents kubelet taint removal (#8911)

* dns-custom-namerserver: break down the page into mutliple sections (#8900)

* dns-custom-namerserver: break down the page into mutliple sections

This page is currently about kube-dns and is a bit outdated.
Introduce the heading `# Customizing kube-dns`.

Introduce a separate section about CoreDNS.

* Copyedits, fix headings for customizing DNS

Hey Lubomir,
I coypedited pretty heavily because this workflow is so much easier for docs and because I'm trying to help improve everything touching kubeadm as much as possible.

But there's one outstanding issue wrt headings and intro content: you can't add a heading 1 to a topic to do what you wanted to do. The page title in the front matter is rendered as a heading 1 and everything else has to start at heading 2. (We still need to doc this better in the docs contributing content, I know.)

Instead, I think we need to rewrite the top-of-page intro content to explain better the relationship between kube-dns and CoreDNS. I'm happy to write something, but I thought I'd push this commit first so you can see what I'm doing.

Hope it's all clear -- ping here or on Slack with any questions ~ Jennifer

* Interim fix for talking about CoreDNS

* Fix CoreDNS details

* PSP readOnly hostPath (#8898)

* Add documentation for crictl (#8880)

* Add documentation for crictl

* Copyedit

Signed-off-by: Misty Stanley-Jones <mistyhacks@google.com>

* Final copyedit

* VolumeSubpathEnvExpansion alpha feature (#8835)

* Note that Heapster is deprecated (#8827)

* Note that Heapster is deprecated

This notes that Heapster is deprecated, and migrates the relevant
docs to talk about metrics-server or other solutions by default.

* Copyedits and improvements

Signed-off-by: Misty Stanley-Jones <mistyhacks@google.com>

* Address feedback

* fix shortcode to troubleshoot deploy (#9057)

* update dynamic kubelet config docs for v1.11 (#8766)

* update dynamic kubelet config docs for v1.11

* Substantial copyedit

* Address feedback

* Reference doc for kubeadm (release-1.11) (#9044)

* Reference doc for kubeadm (release-1.11)

* fix shortcode to troubleshoot deploy (#9057)

* Reference doc for kube-components (release-1.11) (#9045)

* Reference doc for kube-components (release-1.11)

* Update cloud-controller-manager.md

* fix shortcode to troubleshoot deploy (#9057)

* Documentation on lowercasing kubeadm init apiserver SANs (#9059)

* Documentation on lowercasing kubeadm init apiserver SANs

* fix shortcode to troubleshoot deploy (#9057)

* Clarification in dynamic Kubelet config doc (#9061)

* Promote sysctls to Beta (#8804)

* Promote sysctls to Beta

* Copyedits

Signed-off-by: Misty Stanley-Jones <mistyhacks@google.com>

* Review comments

* Address feedback

* More feedback

* kubectl reference docs for 1.11 (#9080)

* Update Kubernetes API 1.11 ref docs (#8977)

* Update v1alpha1 to v1beta1.

* Adjust left nav for 1.11 ref docs.

* Trim list of old ref docs.

* Update Federation API ref docs for 1.11. (#9064)

* Update Federation API ref docs for 1.11.

* Add titles.

* Update definitions.html

* CRD versioning Public Documentation (#8834)

* CRD versioning Public Documentation

* Copyedit

Signed-off-by: Misty Stanley-Jones <mistyhacks@google.com>

* Address feedback

* More rewrites

* Address feedback

* Update main CRD page in light of versioning

* Reorg CRD docs

* Further reorg

* Tweak title

* CSI documentation update for raw block volume support (#8927)

* CSI documetation update for raw block volume support

* minor edits for "CSI raw block volume support"

Some small grammar and style nits.

* minor CSIBlockVolume edits

* Update kubectl component ref page for 1.11. (#9094)

* Update kubectl component ref page for 1.11.

* Add title. Replace stevepe with username.

* crd versioning doc: fix nits (#9142)

* Update `DynamicKubeletConfig` feature to beta (#9110)

xref: kubernetes/kubernetes#64275

* Documentation for dynamic volume limits based on node type (#8871)

* add cos for storage limits

* Update docs specific for aws and gce

* fix some minor things

* Update storage-limits.md

* Add k8s version to feature-state shortcode

* The Doc update for ScheduleDaemonSetPods (#8842)

Signed-off-by: Da K. Ma <klaus1982.cn@gmail.com>

* Update docs related to PersistentVolumeLabel admission control (#9109)

The said admission controller is disabled by default in 1.11
(kubernetes/kubernetes#64326) and scheduled to be removed in future
release.

* client exec auth: updates for 1.11 (#9154)

* Updates HA kubeadm docs (#9066)

* Updates HA kubeadm docs

Signed-off-by: Chuck Ha <ha.chuck@gmail.com>

* kubeadm HA - Add stacked control plane steps

* ssh instructions and some typos in the bash scripts

Signed-off-by: Chuck Ha <ha.chuck@gmail.com>

* Fix typos and copypasta errors

* Fix rebase issues

* Integrate more changes

Signed-off-by: Chuck Ha <ha.chuck@gmail.com>

* copyedits, layout and formatting fixes

* final copyedits

* Adds a sanity check for load balancer connection

Signed-off-by: Chuck Ha <ha.chuck@gmail.com>

* formatting fixes, copyedits

* fix typos, formatting

* Document the Pod Ready++ feature (#9180)

Closes: #9107
Xref: kubernetes/kubernetes#64057

* Mention 'KubeletPluginsWatcher' feature (#9177)

* Mention 'KubeletPluginsWatcher' feature

This feature is more developers oriented than users oriented, so simply
mention it in the feature gate should be fine.
In future, when the design doc is migrated from Google doc to the
kubernetes/community repo, we can add links to it for users who want to
dig deeper.

Closes: #9108
Xref: kubernetes/kubernetes#63328, kubernetes/kubernetes#64605

* Copyedit

* Amend dynamic volume list docs (#9181)

The dynamic volume list feature has been documented but the feature gate
related was not there yet.

Closes: #9105

* Document for service account projection (#9182)

This adds docs for the service account projection feature.

Xref: kubernetes/kubernetes#63819, kubernetes/community#1973
Closes: #9102

* Update pod priority and preemption user docs (#9172)

* Update pod priority and preemption user docs

* Copyedit

* Documentation on setting node name with Kubeadm (#8925)

* Documentation on setting node name with Kubeadm

* copyedit

* Add kubeadm upgrade docs for 1.11 (#9089)

* Add kubeadm upgrade docs for 1.11

* Initial docs review feedback

* Add 1-11 to outline

* Fix formatting on tab blocks

* Move file to correct location

* Add `kubeadm upgrade node config` step

* Overzealous ediffing

* copyedit, fix lists and headings

* clarify --force flag for fixing bad state

* Get TOML ready for 1.11 release

* Blog post for 1.11 release (#9254)

* Blog post for 1.11 release

* Update 2018-06-26-kubernetes-1.11-release-announcement.md

* Update 2018-06-26-kubernetes-1.11-release-announcement.md

* Update 2018-06-26-kubernetes-1.11-release-announcement.md
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mistyhacks authored and k8s-ci-robot committed Jun 27, 2018
1 parent e091e29 commit 5f30e7d4c37cbd5649618b7f95b52197eadffb81
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@@ -45,10 +45,10 @@ time_format_blog = "Monday, January 02, 2006"
description = "Production-Grade Container Orchestration"
showedit = true
latest = "v1.10"
latest = "v1.11"
fullversion = "v1.10.3"
version = "v1.10"
fullversion = "v1.11.0"
version = "v1.11"
githubbranch = "master"
docsbranch = "master"
deprecated = false
@@ -57,6 +57,13 @@ nextUrl = "http://kubernetes-io-vnext-staging.netlify.com/"
githubWebsiteRepo = "github.com/kubernetes/website"
githubWebsiteRaw = "raw.githubusercontent.com/kubernetes/website"
[[params.versions]]
fullversion = "v1.11.0"
version = "v1.11"
githubbranch = "v1.11.0"
docsbranch = "release-1.11"
url = "https://kubernetes.io"
[[params.versions]]
fullversion = "v1.10.3"
version = "v1.10"
@@ -85,13 +92,6 @@ githubbranch = "v1.7.6"
docsbranch = "release-1.7"
url = "https://v1-7.docs.kubernetes.io"
[[params.versions]]
fullversion = "v1.6.8"
version = "v1.6"
githubbranch = "v1.6.8"
docsbranch = "release-1.6"
url = "https://v1-6.docs.kubernetes.io"
# Language definitions.
@@ -0,0 +1,112 @@
---
layout: blog
title: 'Kubernetes 1.11: In-Cluster Load Balancing and CoreDNS Plugin Graduate to General Availability'
date: 2018-06-27
slug: kubernetes-1.11-release-announcement
---
**Author**: Kubernetes 1.11 [Release Team](https://github.com/kubernetes/sig-release/blob/master/releases/release-1.11/release_team.md)
We’re pleased to announce the delivery of Kubernetes 1.11, our second release of 2018!
Today’s release continues to advance maturity, scalability, and flexibility of Kubernetes, marking significant progress on features that the team has been hard at work on over the last year. This newest version graduates key features in networking, opens up two major features from SIG-API Machinery and SIG-Node for beta testing, and continues to enhance storage features that have been a focal point of the past two releases. The features in this release make it increasingly possible to plug any infrastructure, cloud or on-premise, into the Kubernetes system.
Notable additions in this release include two highly-anticipated features graduating to general availability: IPVS-based In-Cluster Load Balancing and CoreDNS as a cluster DNS add-on option, which means increased scalability and flexibility for production applications.
Let’s dive into the key features of this release:
## IPVS-Based In-Cluster Service Load Balancing Graduates to General Availability
In this release, [IPVS-based in-cluster service load balancing](https://github.com/kubernetes/features/issues/265) has moved to stable. IPVS (IP Virtual Server) provides high-performance in-kernel load balancing, with a simpler programming interface than iptables. This change delivers better network throughput, better programming latency, and higher scalability limits for the cluster-wide distributed load-balancer that comprises the Kubernetes Service model. IPVS is not yet the default but clusters can begin to use it for production traffic.
## CoreDNS Promoted to General Availability
[CoreDNS](https://coredns.io) is now available as a [cluster DNS add-on option](https://github.com/kubernetes/features/issues/427), and is the default when using kubeadm. CoreDNS is a flexible, extensible authoritative DNS server and directly integrates with the Kubernetes API. CoreDNS has fewer moving parts than the previous DNS server, since it’s a single executable and a single process, and supports flexible use cases by creating custom DNS entries. It’s also written in Go making it memory-safe. You can learn more about CoreDNS [here](https://youtu.be/dz9S7R8r5gw).
## Dynamic Kubelet Configuration Moves to Beta
This feature makes it possible for new Kubelet configurations to be rolled out in a live cluster. Currently, Kubelets are configured via command-line flags, which makes it difficult to update Kubelet configurations in a running cluster. With this beta feature, [users can configure Kubelets in a live cluster](https://kubernetes.io/docs/tasks/administer-cluster/reconfigure-kubelet/) via the API server.
## Custom Resource Definitions Can Now Define Multiple Versions
Custom Resource Definitions are no longer restricted to defining a single version of the custom resource, a restriction that was difficult to work around. Now, with this beta [feature](https://github.com/kubernetes/features/issues/544), multiple versions of the resource can be defined. In the future, this will be expanded to support some automatic conversions; for now, this feature allows custom resource authors to “promote with safe changes, e.g. v1beta1 to v1,” and to create a migration path for resources which do have changes.
Custom Resource Definitions now also support ["status" and "scale" subresources](https://github.com/kubernetes/community/blob/master/contributors/design-proposals/api-machinery/customresources-subresources.md), which integrate with monitoring and high-availability frameworks. These two changes advance the ability to run cloud-native applications in production using Custom Resource Definitions.
## Enhancements to CSI
Container Storage Interface (CSI) has been a major topic over the last few releases. After moving to [beta in 1.10](https://github.com/container-storage-interface/spec/blob/master/spec.md), the 1.11 release continues enhancing CSI with a number of features. The 1.11 release adds alpha support for raw block volumes to CSI, integrates CSI with the new kubelet plugin registration mechanism, and makes it easier to pass secrets to CSI plugins.
## New Storage Features
Support for [online resizing of Persistent Volumes](https://github.com/kubernetes/features/issues/284) has been introduced as an alpha feature. This enables users to increase the size of PVs without having to terminate pods and unmount volume first. The user will update the PVC to request a new size and kubelet will resize the file system for the PVC.
Support for [dynamic maximum volume count](https://github.com/kubernetes/features/issues/554) has been introduced as an alpha feature. This new feature enables in-tree volume plugins to specify the maximum number of volumes that can be attached to a node and allows the limit to vary depending on the type of node. Previously, these limits were hard coded or configured via an environment variable.
The StorageObjectInUseProtection feature is now stable and prevents the removal of both [Persistent Volumes](https://github.com/kubernetes/features/issues/499) that are bound to a Persistent Volume Claim, and [Persistent Volume Claims](https://github.com/kubernetes/features/issues/498) that are being used by a pod. This safeguard will help prevent issues from deleting a PV or a PVC that is currently tied to an active pod.
Each Special Interest Group (SIG) within the community continues to deliver the most-requested enhancements, fixes, and functionality for their respective specialty areas. For a complete list of inclusions by SIG, please visit the [release notes](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.11.md#111-release-notes).
## Availability
Kubernetes 1.11 is available for [download on GitHub](https://github.com/kubernetes/kubernetes/releases/tag/v1.11.0). To get started with Kubernetes, check out these [interactive tutorials](https://kubernetes.io/docs/tutorials/).
You can also install 1.11 using Kubeadm. Version 1.11.0 will be available as Deb and RPM packages, installable using the [Kubeadm cluster installer](https://kubernetes.io/docs/setup/independent/create-cluster-kubeadm/) sometime on June 28th.
## 5 Day Features Blog Series
If you’re interested in exploring these features more in depth, check back in two weeks for our 5 Days of Kubernetes series where we’ll highlight detailed walkthroughs of the following features:
* Day 1: IPVS-Based In-Cluster Service Load Balancing Graduates to General Availability
* Day 2: CoreDNS Promoted to General Availability
* Day 3: Dynamic Kubelet Configuration Moves to Beta
* Day 4: Custom Resource Definitions Can Now Define Multiple Versions
* Day 5: Overview of CSI Enhancements
## Release team
This release is made possible through the effort of hundreds of individuals who contributed both technical and non-technical content. Special thanks to the [release team](https://github.com/kubernetes/sig-release/blob/master/releases/release-1.11/release_team.md) led by Josh Berkus, Kubernetes Community Manager at Red Hat. The 20 individuals on the release team coordinate many aspects of the release, from documentation to testing, validation, and feature completeness.
As the Kubernetes community has grown, our release process represents an amazing demonstration of collaboration in open source software development. Kubernetes continues to gain new users at a rapid clip. This growth creates a positive feedback cycle where more contributors commit code creating a more vibrant ecosystem. Kubernetes has over 20,000 individual contributors to date and an active community of more than 40,000 people.
## Project Velocity
The CNCF has continued refining DevStats, an ambitious project to visualize the myriad contributions that go into the project. [K8s DevStats](https://devstats.k8s.io) illustrates the breakdown of contributions from major company contributors, as well as an impressive set of preconfigured reports on everything from individual contributors to pull request lifecycle times. On average, 250 different companies and over 1,300 individuals contribute to Kubernetes each month. [Check out DevStats](https://devstats.k8s.io) to learn more about the overall velocity of the Kubernetes project and community.
## User Highlights
Established, global organizations are using [Kubernetes in production](https://kubernetes.io/case-studies/) at massive scale. Recently published user stories from the community include:
* **The New York Times**, known as the newspaper of record, [moved out of its data centers and into the public cloud](https://kubernetes.io/case-studies/newyorktimes/) with the help of Google Cloud Platform and Kubernetes. This move meant a significant increase in speed of delivery, from 45 minutes to just a few seconds with Kubernetes.
* **Nordstrom**, a leading fashion retailer based in the U.S., began their cloud native journey by [adopting Docker containers orchestrated with Kubernetes](https://kubernetes.io/case-studies/nordstrom/). The results included a major increase in Ops efficiency, improving CPU utilization from 5x to 12x depending on the workload.
* **Squarespace**, a SaaS solution for easily building and hosting websites, [moved their monolithic application to microservices with the help of Kubernetes](https://kubernetes.io/case-studies/squarespace/). This resulted in a deployment time reduction of almost 85%.
* **Crowdfire**, a leading social media management platform, moved from a monolithic application to a [custom Kubernetes-based setup](https://kubernetes.io/case-studies/crowdfire/). This move reduced deployment time from 15 minutes to less than a minute.
Is Kubernetes helping your team? Share your story with the community.
## Ecosystem Updates
* The CNCF recently expanded its certification offerings to include a Certified Kubernetes Application Developer exam. The CKAD exam certifies an individual's ability to design, build, configure, and expose cloud native applications for Kubernetes. More information can be found [here](https://www.cncf.io/blog/2018/03/16/cncf-announces-ckad-exam/).
* The CNCF recently added a new partner category, Kubernetes Training Partners (KTP). KTPs are a tier of vetted training providers who have deep experience in cloud native technology training. View partners and learn more [here](https://www.cncf.io/certification/training/).
* CNCF also offers [online training](https://www.cncf.io/certification/training/) that teaches the skills needed to create and configure a real-world Kubernetes cluster.
* Kubernetes documentation now features [user journeys](https://k8s.io/docs/home/): specific pathways for learning based on who readers are and what readers want to do. Learning Kubernetes is easier than ever for beginners, and more experienced users can find task journeys specific to cluster admins and application developers.
## KubeCon
The world’s largest Kubernetes gathering, KubeCon + CloudNativeCon is coming to [Shanghai](https://www.lfasiallc.com/events/kubecon-cloudnativecon-china-2018/) from November 14-15, 2018 and [Seattle](https://events.linuxfoundation.org/events/kubecon-cloudnativecon-north-america-2018/) from December 11-13, 2018. This conference will feature technical sessions, case studies, developer deep dives, salons and more! The CFP for both event is currently open. [Submit your talk](https://events.linuxfoundation.org/events/kubecon-cloudnativecon-north-america-2018/program/call-for-proposals-cfp/) and [register](https://events.linuxfoundation.org/events/kubecon-cloudnativecon-europe-2018/attend/register/) today!
## Webinar
Join members of the Kubernetes 1.11 release team on July 31st at 10am PDT to learn about the major features in this release including In-Cluster Load Balancing and the CoreDNS Plugin. Register [here](https://www.cncf.io/event/webinar-kubernetes-1-11/).
## Get Involved
The simplest way to get involved with Kubernetes is by joining one of the many [Special Interest Groups](https://github.com/kubernetes/community/blob/master/sig-list.md) (SIGs) that align with your interests. Have something you’d like to broadcast to the Kubernetes community? Share your voice at our weekly [community meeting](https://github.com/kubernetes/community/blob/master/communication.md#weekly-meeting), and through the channels below.
Thank you for your continued feedback and support.
* Post questions (or answer questions) on [Stack Overflow](http://stackoverflow.com/questions/tagged/kubernetes)
* Join the community portal for advocates on [K8sPort](http://k8sport.org/)
* Follow us on Twitter [@Kubernetesio](https://twitter.com/kubernetesio) for latest updates
* Chat with the community on [Slack](http://slack.k8s.io/)
* Share your Kubernetes [story](https://docs.google.com/a/linuxfoundation.org/forms/d/e/1FAIpQLScuI7Ye3VQHQTwBASrgkjQDSS5TP0g3AXfFhwSM9YpHgxRKFA/viewform)
@@ -51,6 +51,7 @@ The `conditions` field describes the status of all `Running` nodes.
| `OutOfDisk` | `True` if there is insufficient free space on the node for adding new pods, otherwise `False` |
| `Ready` | `True` if the node is healthy and ready to accept pods, `False` if the node is not healthy and is not accepting pods, and `Unknown` if the node controller has not heard from the node in the last `node-monitor-grace-period` (default is 40 seconds) |
| `MemoryPressure` | `True` if pressure exists on the node memory -- that is, if the node memory is low; otherwise `False` |
| `PIDPressure` | `True` if pressure exists on the processes -- that is, if there are too many processes on the node; otherwise `False` |
| `DiskPressure` | `True` if pressure exists on the disk size -- that is, if the disk capacity is low; otherwise `False` |
| `NetworkUnavailable` | `True` if the network for the node is not correctly configured, otherwise `False` |
| `ConfigOK` | `True` if the kubelet is correctly configured, otherwise `False` |
@@ -144,9 +144,7 @@ When using Docker:
multiplied by 100. The resulting value is the total amount of CPU time that a container can use
every 100ms. A container cannot use more than its share of CPU time during this interval.
{{< note >}}
**Note**: The default quota period is 100ms. The minimum resolution of CPU quota is 1ms.
{{< /note >}}
{{< note >}}**Note**: The default quota period is 100ms. The minimum resolution of CPU quota is 1ms.{{ {{</ note >}}}
- The `spec.containers[].resources.limits.memory` is converted to an integer, and
used as the value of the
@@ -209,12 +207,10 @@ $ kubectl describe nodes e2e-test-minion-group-4lw4
Name: e2e-test-minion-group-4lw4
[ ... lines removed for clarity ...]
Capacity:
alpha.kubernetes.io/nvidia-gpu: 0
cpu: 2
memory: 7679792Ki
pods: 110
Allocatable:
alpha.kubernetes.io/nvidia-gpu: 0
cpu: 1800m
memory: 7474992Ki
pods: 110
@@ -300,10 +296,10 @@ Container in the Pod was terminated and restarted five times.
You can call `kubectl get pod` with the `-o go-template=...` option to fetch the status
of previously terminated Containers:
```shell
```shell{% raw %}
[13:59:01] $ kubectl get pod -o go-template='{{range.status.containerStatuses}}{{"Container Name: "}}{{.name}}{{"\r\nLastState: "}}{{.lastState}}{{end}}' simmemleak-hra99
Container Name: simmemleak
LastState: map[terminated:map[exitCode:137 reason:OOM Killed startedAt:2015-07-07T20:58:43Z finishedAt:2015-07-07T20:58:43Z containerID:docker://0e4095bba1feccdfe7ef9fb6ebffe972b4b14285d5acdec6f0d3ae8a22fad8b2]]
LastState: map[terminated:map[exitCode:137 reason:OOM Killed startedAt:2015-07-07T20:58:43Z finishedAt:2015-07-07T20:58:43Z containerID:docker://0e4095bba1feccdfe7ef9fb6ebffe972b4b14285d5acdec6f0d3ae8a22fad8b2]]{% endraw %}
```
You can see that the Container was terminated because of `reason:OOM Killed`,
@@ -545,6 +541,4 @@ consistency across providers and platforms.
* [ResourceRequirements](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/#resourcerequirements-v1-core)
{{% /capture %}}
{{% /capture %}}
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