6af0768768
Automatic merge from submit-queue (batch tested with PRs 60106, 59510, 60263, 60063, 59088). 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>. Update cadvisor godeps to v0.29.0 and ignore per-cpu metrics **What this PR does / why we need it**: Updates the cAdvisor dependency to the cAdvisor release associated with the kubernetes 1.10 release. **Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*: Fixes #60052 **Special notes for your reviewer**: This PR also adds per-cpu metrics to the ignoreMetrics list. This is a new metric that can be ignored in the most recent cAdvisor release. The reason for not collecting per-cpu metrics is that it can cause severe scalability issues. For example, if using a 128 core machine, and running 100 containers, we have 12800 different streams of metrics just for per-cpu metrics which cAdvisor needs to process and transmit. Additionally, per-cpu metrics are not used by any kubernetes components, and if a user needs these metrics, they can run cAdvisor as a daemonset. **Release note**: ```release-note Disable per-cpu metrics by default for scalability. Fix inaccurate disk usage monitoring of overlayFs. Retry docker connection on startup timeout to avoid permanent loss of metrics. ``` /assign @dchen1107 |
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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.