11474142
Description
Flashcards by Hou Michael, updated more than 1 year ago
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Created by Hou Michael
about 8 years ago
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| Question | Answer |
| 12 Factor application principles | provides guidance to build web app that can scale easily and can be deployed in the Cloud |
| master runs | API server, scheduler, controller and state management with etcd |
| 2 things run on worker nodes | kubelet & service proxy |
| what does kubelet do? | receives requests to run the containers and watches over them on the local node |
| what does service proxy do? | creates and manages networking rules to expose the container on the network |
| license? | Apache Software License v2.0 |
| What does scheduler do? | place the containers on the nodes in the cluster according to various policies, metrics, and resource requirements |
| What does controller manager do? | reconciling the actual state of the cluster with the desired state |
| CNI | Container Network Interface fast becoming the standard networking solution for k8s pod-pod communication (not provided for k8s out of the box) |
| volume/emptyDir | simplest volume type defined with pod and dies with it created on node-level |
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