示范代码

public class App 
{public static void main( String[] args ) throws InterruptedException {while(true){Thread.sleep(10000);System.out.println( "Hello World!" );}}
}

maven打包,生成test-prometheus-1.0-SNAPSHOT.jar

编写config.yaml

lowercaseOutputName: true
rules:
- pattern: ".*"

下载jmx_prometheus_javaagent-0.20.0.jar

启动

java -javaagent:./jmx_prometheus_javaagent-0.20.0.jar=12345:./config.yaml -cp test-prometheus-1.0-SNAPSHOT.jar org.example.App

查看jvm相关指标

http://localhost:12345/metrics 浏览器访问，获得结果

# HELP java_lang_operatingsystem_processc