57ecea2229
Introduce min, average, and standard deviation for the number of executing mutating and readOnly requests. Introduce min, max, average, and standard deviation for the number waiting and number waiting per priority level. Later: Revised to use a series of windows Use three individuals instead of array of powers Later: Add coarse queue count metrics, removed windowed avg and stddev Add metrics for number of queued mutating and readOnly requests, to complement metrics for number executing. Later: Removed windowed average and standard deviation because consumers can derive such from integrals of consumer's chosen window. Also replaced "requestKind" Prometheus label with "request_kind". Later: Revised to focus on sampling Make the clock intrinsic to a TimedObserver ... so that the clock can be read while holding the observer's lock; otherwise, forward progress is not guaranteed (and violations were observed in testing). Bug fixes and histogram buckets revision SetX1 to 1 when queue length limit is zero, beause dividing by zero is nasty. Remove obsolete argument in gen_test.go. Add a bucket boundary at 0 for sample-and-water-mark histograms, to distinguish zeroes from non-zeros. This includes adding Integrator test. Simplified test code. More pervasively used "ctlr" instead of "ctl" as abbreviation for "controller". |
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Kubernetes
Kubernetes is an open source system for managing containerized applications across multiple hosts. It provides 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 your company 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 use Kubernetes code as a library in other applications, see the list of published components.
Use of the k8s.io/kubernetes module or k8s.io/kubernetes/... packages as libraries is not supported.
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.
mkdir -p $GOPATH/src/k8s.io
cd $GOPATH/src/k8s.io
git clone https://github.com/kubernetes/kubernetes
cd 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.