Overview

CCE provides multiple types of add-ons to extend cluster functions and meet feature requirements. You can install add-ons as required.

**Table 1** Add-on list
Add-on Name	Introduction
coredns	The coredns add-on is a DNS server that provides domain name resolution services for Kubernetes clusters. coredns chains plug-ins to provide additional features.
everest	Everest is a cloud native container storage system. Based on CSI, clusters of Kubernetes v1.15.6 and later can connect to storage services such as EVS, OBS, SFS, and SFS Turbo.
autoscaler	The autoscaler add-on resizes a cluster based on pod scheduling status and resource usage.
metrics-server	metrics-server is an aggregator for monitoring data of core cluster resources.
cce-hpa-controller	cce-hpa-controller is a CCE-developed add-on, which can be used to flexibly scale in or out Deployments based on metrics such as CPU usage and memory usage.
prometheus	Prometheus is an open-source system monitoring and alerting framework. CCE allows you to quickly deploy Prometheus as an add-on.
gpu-beta	gpu-beta is a device management add-on that supports GPUs in containers. It supports only NVIDIA drivers.