8cf0076e23
The userspace proxy does not have any ratelimiting and when many services are used will hammer iptables every time a service or endpoint change occurs. Instead build up a map of changed services and process all those changes at once instead of each time an event comes in. This also ensures that no long-running processing happens in the same call chain as the OnService* calls as this blocks other handlers attached to the proxy's parent ServiceConfig object for long periods of time. Locking can also now be simplified as the only accesses to the proxy's serviceMap happen from syncProxyRules(). So instead of locking in many functions just lock once in syncProxyRules() like the other proxies do. https://bugzilla.redhat.com/show_bug.cgi?id=1590589 https://bugzilla.redhat.com/show_bug.cgi?id=1689690 |
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README.md
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.