> For the complete documentation index, see [llms.txt](https://jack80342.gitbook.io/spring-boot/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jack80342.gitbook.io/spring-boot/v.-spring-boot-actuator/54.-metrics/54.2-zhi-chi-de-jian-kong-xi-tong/54.2.10-simple.md).

# 54.2.10 Simple

Micrometer附带一个简单的内存后端。如果没有配置其它注册表，该后端将自动用作回退。这允许你查看[度量端点](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-endpoint)中收集了哪些度量数据。

只要使用任何其它可用后端，内存中的后端就会禁用自己。你也可以显式禁用它:

```
management.metrics.export.simple.enabled=false
```