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行业网站源码,什么样的网站需要备案,广告营销包括哪些方面,电商软件定制Spring Boot Actuator 详细介绍 1. 简介 Spring Boot Actuator 是 Spring Boot 提供的一个用于监控和管理应用程序的强大功能模块。它可以帮助我们了解应用程序的运行状况、指标收集、环境信息、日志级别管理等。 2. 添加依赖 2.1 在 pom.xml 中添加以下依赖： …

Spring Boot Actuator 详细介绍

1. 简介

Spring Boot Actuator 是 Spring Boot 提供的一个用于监控和管理应用程序的强大功能模块。它可以帮助我们了解应用程序的运行状况、指标收集、环境信息、日志级别管理等。

2. 添加依赖

2.1 在 `pom.xml` 中添加以下依赖：

<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-actuator</artifactId>
</dependency>

2.2 在`bootstrap.yml` 中添加如下信息：

management:endpoints:web:exposure:include: "*" // * 号代表启用所有的监控端点，可以单独启用，例如，health，info，metrics等endpoint:health:show-details: always

3. 主要端点介绍

3.1 健康检查端点

端点: /actuator/health
描述: 显示应用程序的健康状态信息
返回示例:

{"status": "UP"
}

3.2 应用信息端点

端点: /actuator/info
描述: 显示应用程序的自定义信息
可在 application.properties/yml 中配置信息

3.3 指标端点

端点: /actuator/metrics
描述: 显示应用程序的各种指标信息
包含: JVM内存使用、系统CPU使用、HTTP请求统计等

{"names": ["application.ready.time","application.started.time","disk.free","disk.total","executor.active","executor.completed","executor.pool.core","executor.pool.max","executor.pool.size","executor.queue.remaining","executor.queued","health_status","http.server.requests","jvm.buffer.count","jvm.buffer.memory.used","jvm.buffer.total.capacity","jvm.classes.loaded","jvm.classes.unloaded","jvm.gc.live.data.size","jvm.gc.max.data.size","jvm.gc.memory.allocated","jvm.gc.memory.promoted","jvm.gc.overhead","jvm.gc.pause","jvm.memory.committed","jvm.memory.max","jvm.memory.usage.after.gc","jvm.memory.used","jvm.threads.daemon","jvm.threads.live","jvm.threads.peak","jvm.threads.states","lettuce.command.completion","lettuce.command.firstresponse","logback.events","nacos_server_instance","process.cpu.usage","process.start.time","process.uptime","system.cpu.count","system.cpu.usage","tomcat.sessions.active.current","tomcat.sessions.active.max","tomcat.sessions.alive.max","tomcat.sessions.created","tomcat.sessions.expired","tomcat.sessions.rejected"]
}

基于上面返回的信息，我们可方便的查看里面各项指标的值，比如查看health_status 指标
端点：http://localhost:8080/actuator/metrics/health_status

 {"name": "health_status","description": null,"baseUnit": null,"measurements": [{"statistic": "VALUE","value": 9.0}],"availableTags": [{"tag": "component","values": ["mongo","reactiveDiscoveryClients","nacosConfig","diskSpace","ping","discoveryComposite","refreshScope","nacosDiscovery","db"]},{"tag": "application","values": ["服务名"]}]
}

3.4 环境端点

端点: /actuator/env
描述: 显示应用程序的环境变量、配置属性等信息

3.5 线程转储端点

端点: /actuator/threaddump
描述: 显示应用程序线程转储信息

3.6 堆转储端点

端点: /actuator/heapdump
描述: 生成应用程序的堆转储文件

4. 常用配置

4.1 如果不想输出redis 相关的指标可以在`.yml` 文件中添加如下配置

management:health:redis:enabled: false

5. 安全配置

为了保护敏感端点，建议：

添加 Spring Security 依赖
配置访问认证
仅暴露必要的端点

management:endpoints:web:exposure:include: health,info,metrics

6. 自定义健康指示器

可以通过实现 HealthIndicator 接口创建自定义健康检查：

@Component
public class CustomHealthIndicator implements HealthIndicator {@Overridepublic Health health() {// 进行健康检查逻辑return Health.up().withDetail("customKey", "customValue").build();}
}