spring_reference/V. Spring Boot Actuator/40.2. Health information.md

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### 40.2. 健康信息
健康信息可以用来检查应用的运行状态。它经常被监控软件用来提醒人们生产系统是否停止。health端点暴露的默认信息取决于端点是如何被访问的。对于一个非安全未认证的连接只返回一个简单的'status'信息。对于一个安全或认证过的连接其他详细信息也会展示(具体参考[Section 41.6, “HTTP Health endpoint access restrictions” ](41.6. HTTP Health endpoint access restrictions.md))。
健康信息是从你的ApplicationContext中定义的所有[HealthIndicator](http://github.com/spring-projects/spring-boot/tree/master/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/health/HealthIndicator.java) beans收集过来的。Spring Boot包含很多auto-configured的HealthIndicators你也可以写自己的。