63cc42a861
Automatic merge from submit-queue (batch tested with PRs 50068, 52406, 52394, 48551, 52131). 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>.. Implement bulk polling of volumes for vSphere This PR implements bulk polling of volumes - BulkVerifyVolumes() API for vSphere. With the existing implementation, vSphere makes multiple calls to VC to check if the volume is attached to a node. If there are "N" volumes attached on "M" nodes, vSphere makes "N" VCenter calls to check if the volumes are attached to VC for all "N" volumes. Also, by default Kubernetes queries if the volumes are attached to nodes every 1 minute. This will substantially increase the number of calls made by vSphere cloud provider to vCenter. Inorder to prevent this, vSphere cloud provider implements the BulkVerifyVolumes() API in which only a single call is made to vCenter to check if all the volumes are attached to the respective nodes. Irrespective of the number of volumes attached to nodes, the number of vCenter calls will always be 1 on a query to BulkVerifyVolumes() API by kubernetes. @rohitjogvmw @divyenpatel @luomiao ```release-note BulkVerifyVolumes() implementation for vSphere ``` |
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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
If you are less impatient, 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.