6934c4f599
Automatic merge from submit-queue (batch tested with PRs 63314, 63884, 63799, 63521, 62242). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>. Add memcg notifications for allocatable cgroup **What this PR does / why we need it**: Use memory cgroup notifications to trigger the eviction manager when the allocatable eviction threshold is crossed. This allows the eviction manager to respond more quickly when the allocatable cgroup's available memory becomes low. Evictions are preferable to OOMs in the cgroup since the kubelet can enforce its priorities on which pod is killed. **Which issue(s) this PR fixes**: Fixes https://github.com/kubernetes/kubernetes/issues/57901 **Special notes for your reviewer**: This adds the alloctable cgroup from the container manager to the eviction config. **Release note**: ```release-note NONE ``` /sig node /priority important-soon /kind feature I would like this to be included in the 1.11 release. |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts; providing basic mechanisms for deployment, maintenance, and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running production workloads at scale using a system called Borg, combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (CNCF). If you are a company that wants to help shape the evolution of technologies that are container-packaged, dynamically-scheduled and microservices-oriented, consider joining the CNCF. For details about who's involved and how Kubernetes plays a role, read the CNCF announcement.
To start using Kubernetes
See our documentation on kubernetes.io.
Try our interactive tutorial.
Take a free course on Scalable Microservices with Kubernetes.
To start developing Kubernetes
The community repository hosts all information about building Kubernetes from source, how to contribute code and documentation, who to contact about what, etc.
If you want to build Kubernetes right away there are two options:
You have a working Go environment.
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/kubernetes
$ make
You have a working Docker environment.
$ git clone https://github.com/kubernetes/kubernetes
$ cd kubernetes
$ make quick-release
For the full story, head over to the developer's documentation.
Support
If you need support, start with the troubleshooting guide, and work your way through the process that we've outlined.
That said, if you have questions, reach out to us one way or another.