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README.md
Vertical Pod Autoscaler
Contents
- Contents
- Intro
- Getting started
- Components and Architecture
- Features and Known limitations
- Related links
Intro
Vertical Pod Autoscaler (VPA) frees users from the necessity of setting up-to-date resource requests for the containers in their pods. When configured, it will set the requests automatically based on usage and thus allow proper scheduling onto nodes so that appropriate resource amount is available for each pod. It will also maintain ratios between requests and limits that were specified in initial containers configuration.
It can both down-scale pods that are over-requesting resources, and also up-scale pods that are under-requesting resources based on their usage over time.
Autoscaling is configured with a Custom Resource Definition object called VerticalPodAutoscaler. It allows to specify which pods should be vertically autoscaled as well as if/how the resource recommendations are applied.
To enable vertical pod autoscaling on your cluster please follow the installation procedure described below.
Getting Started
See Installation for a guide on installation, followed by a the Quick start guide.
Also refer to the FAQ for more.
Components and Architecture
The Vertical Pod Autoscaler consists of three parts. The recommender, updater and admission-controller. Read more about them on the components page.
Features and Known limitations
You can also read about the features and known limitations of the VPA.