> For the complete documentation index, see [llms.txt](https://doc.cncf.vip/prometheus-handbook/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.cncf.vip/prometheus-handbook/part-iii-prometheus-shi-zhan/readmd/hap-with-prometheus.md).

# 基于Prometheus的弹性伸缩

弹性伸缩（AutoScaling）是指应用可以根据当前的资源使用情况自动水平扩容或者缩容的能力。