# 54. 度量指标

Spring Boot执行器为[Micrometer](https://micrometer.io/)提供了依赖管理和自动配置。Micrometer是一种应用度量外观。它支持许多的监控系统，包括：

* [Atlas](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-atlas)
* [Datadog](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-datadog)
* [Ganglia](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-ganglia)
* [Graphite](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-graphite)
* [Influx](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-influx)
* [JMX](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-jmx)
* [New Relic](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-newrelic)
* [Prometheus](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-prometheus)
* [SignalFx](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-signalfx)
* [Simple (in-memory)](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-simple)
* [StatsD](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-statsd)
* [Wavefront](https://docs.spring.io/spring-boot/docs/2.0.0.RELEASE/reference/htmlsingle/#production-ready-metrics-export-wavefront)

**注** 请参考[文档](https://micrometer.io/docs)，学习更多的Micrometer功能，特别是[概念章节](https://micrometer.io/docs/concepts)。