> For the complete documentation index, see [llms.txt](https://doc.yuncitys.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.yuncitys.com/ping-tai-jie-shao/ruan-jian-gong-neng/xi-tong-shui-ping-ke-shen-suo-xing.md).

# 系统水平可伸缩性

满足在集群模式下动态添加新服务节点，更新或升级程序不影响线上服务正常运行。