management:   
  metrics:   
    export:  
      nightingale:  
        addr: agent地址  
        endpoint: http://127.0.0.1:2080/endpoint 端点IP，如未配置则自动获得本机IP，如果配置的是URL则自动获取URL的值，启动时获取，后续不会自动刷新
        nid: 如果配置了nid，则视为机器无关指标，endpoint配置不再生效
        step: 上报频率，默认配置10S，格式为java.time.Duration
        append-tags: 应用附加Tag, 格式"key1=value1,key2=value2"  
        enabled: 是否启用(true|false)  
        metric-block-list: #需要屏蔽的metric
        auto-registry: true #开启自动注册，开启后应用将会自动注册到nid节点下面，成为一个资源节点。开启此功能时必须要配置nid，否则会有异常
        api-addr: "http://n9e.com" #夜莺的服务器地址
        user-token: "token" #调用夜莺API的token

    <dependency>
        <groupId>com.github.lynxcat</groupId>
        <artifactId>micrometer-registry-nightingale</artifactId>
        <version>1.6.5</version>
    </dependency>

    <dependency>
        <groupId>com.github.lynxcat</groupId>
        <artifactId>micrometer-registry-nightingale-boot-starter</artifactId>
        <version>1.6.5</version>
    </dependency>

  #pom.xml
  ....
  <dependencies>
      <!-- Spring boot web -->
      <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-web</artifactId>
          <version>2.3.5.RELEASE</version>
      </dependency>

      <!-- Spring boot 监控 -->
      <dependency>
          <groupId>org.springframework.boot</groupId>
          <artifactId>spring-boot-starter-actuator</artifactId>
          <version>2.3.5.RELEASE</version>
      </dependency>

      <!-- lombok不是必须的，但建议引用 -->
      <dependency>
          <groupId>org.projectlombok</groupId>
          <artifactId>lombok</artifactId>
          <version>1.18.16</version>
      </dependency>

      <!-- 上报到滴滴夜莺的依赖包 -->
      <dependency>
          <groupId>com.github.lynxcat</groupId>
          <artifactId>micrometer-registry-nightingale-boot-starter</artifactId>
          <version>1.6.5</version>
      </dependency>
  </dependencies>
  ....

    #application.yml
    .....
    management:
      metrics:
        export:
          nightingale:
            addr: "http://127.0.0.1:2080/v1/push" #改成你自己的agent的ip和prot
            endpoint: "192.168.1.1"  #改成你自己的endpoint，如果不知道先登录夜莺看一下
            step: 10s    #采集时间
            append-tags: "key=value"  #附加的tags
            enabled: true #是否开启，这个参数一定要配置，不然不会加载插件
            auto-registry: true #开启自动注册，开启后应用将会自动注册到nid节点下面，成为一个资源节点
            api-addr: "http://n9e.com" #你自己的夜莺的服务端的地址
            user-token: "token" #调用夜莺API的token
      endpoints:
        web:
          exposure:
            include: "*"   #标识开启所有的spring boot监控端点，详细请参照actuator项目。非必须，只是为了可以更直观的看数据。不配置也会进行数据上报的
    logging:
      level:
        com.lynxcat: debug   #配置日志，可以看到上报日志信息
    ....

#jvm.gc.pause 在actuator
{
  "name": "jvm.gc.pause",
  "description": "Time spent in GC pause",
  "baseUnit": "milliseconds",
  "measurements": [
    {
      "statistic": "COUNT",
      "value": 0
    },
    {
      "statistic": "TOTAL_TIME",
      "value": 0
    },
    {
      "statistic": "MAX",
      "value": 0
    }
  ]
}

[{"timestamp":1611545811,"metric":"jvm.gc.pause","counterType":"GAUGE","step":10,"endpoint":"192.168.230.131","tags":"action=end-of-minor-GC,cause=Allocation-Failure","value":0},
{"timestamp":1611545811,"metric":"jvm.gc.pause.sum","counterType":"GAUGE","step":10,"endpoint":"192.168.230.131","tags":"action=end-of-minor-GC,cause=Allocation-Failure","value":0.0},
{"timestamp":1611545811,"metric":"jvm.gc.pause.mean","counterType":"GAUGE","step":10,"endpoint":"192.168.230.131","tags":"action=end-of-minor-GC,cause=Allocation-Failure","value":0.0},
{"timestamp":1611545811,"metric":"jvm.gc.pause.max","counterType":"GAUGE","step":10,"endpoint":"192.168.230.131","tags":"action=end-of-minor-GC,cause=Allocation-Failure","value":0.0}]

application.xml 中添加配置   

logging.level:
  com.lynxcat: debug